Agronomy

32 pages, 2353 KB

Open AccessEditor’s ChoiceReview

The Effect of Polyploidisation on the Physiological Parameters, Biochemical Profile, and Tolerance to Abiotic and Biotic Stresses of Plants

by Marta Koziara-Ciupa and Anna Trojak-Goluch

Agronomy 2025, 15(8), 1918; https://doi.org/10.3390/agronomy15081918 - 8 Aug 2025

Viewed by 2171

Abstract

Polyploidisation is a very common phenomenon in the plant kingdom and plays a key role in plant evolution and breeding. It promotes speciation and the extension of biodiversity. It is estimated that approximately 47% of flowering plant species are polyploids, derived from two [...] Read more.

Polyploidisation is a very common phenomenon in the plant kingdom and plays a key role in plant evolution and breeding. It promotes speciation and the extension of biodiversity. It is estimated that approximately 47% of flowering plant species are polyploids, derived from two or more diploid ancestral species. In natural populations, the predominant methods of whole-genome multiplication are somatic cell polyploidisation, meiotic cell polyploidisation, or endoreduplication. The formation and maintenance of polyploidy is accompanied by a series of epigenetic and gene expression changes, leading to alterations in the structural, physiological, and biochemical characteristics of polyploids relative to diploids. This article provides information on the mechanisms of formation of natural and synthetic polyploids. It presents a number of examples of the effects of polyploidisation on the composition and content of secondary metabolites of polyploids, providing evidence of the importance of the phenomenon in plant adaptation to the environment, improvement of wild species, and crops. It aims to gather and systematise knowledge on the effects of polyploidisation on plant physiological traits, including stomatal conductance (Gs), transpiration rate (Tr), light saturation point (LSP), as well as the most important photosynthetic parameters determining biomass accumulation. The text also presents the latest findings on the adaptation of polyploids to biotic and abiotic stresses and explains the basic mechanisms of epigenetic changes determining resistance to selected stress factors. Full article

(This article belongs to the Special Issue Stress Responses and Resistance Mechanisms in Plants: Physiology, Genetics, and Molecular Pathways)

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15 pages, 1282 KB

Open AccessEditor’s ChoiceArticle

Biosolutions from Native Trichoderma Strains Against Grapevine Trunk Diseases

by Laura Zanfaño, Guzmán Carro-Huerga, Álvaro Rodríguez-González, Daniela Ramírez-Lozano, Sara Mayo-Prieto, Santiago Gutiérrez and Pedro A. Casquero

Agronomy 2025, 15(8), 1901; https://doi.org/10.3390/agronomy15081901 - 7 Aug 2025

Cited by 1 | Viewed by 903

Abstract

Fungi of the genus Trichoderma show strong potential as biological control agents (BCAs) against grapevine trunk diseases (GTDs) through mechanisms like antibiotic metabolite production and lytic enzymes. This study evaluated the biocontrol activity of four native Trichoderma strains—T. gamsii T065 and T071, [...] Read more.

Fungi of the genus Trichoderma show strong potential as biological control agents (BCAs) against grapevine trunk diseases (GTDs) through mechanisms like antibiotic metabolite production and lytic enzymes. This study evaluated the biocontrol activity of four native Trichoderma strains—T. gamsii T065 and T071, T. carraovejensis T154, and T. harzianum T214—against Phaeoacremonium minimum, Phaeomoniella chlamydospora, and Diplodia seriata. Culture filtrates obtained at 8, 16, and 24 days post-incubation were tested using antibiogram and mycelial inhibition assays. Strains T071, T154, and T214 effectively inhibited D. seriata, while T154 and T214 also suppressed P. chlamydospora. Nevertheless, the limited effectiveness of all filtrates against P. minimum suggests that antibiosis is not the predominant mechanism involved in its control. These findings highlight the potential of specific Trichoderma strains and incubation times to directly control GTD pathogens and support the development of scalable biocontrol solutions. Full article

(This article belongs to the Special Issue Molecular Advances in Crop Protection and Agrobiotechnology)

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17 pages, 1001 KB

Open AccessEditor’s ChoiceArticle

A Preliminary Evaluation of the Use of Solid Residues from the Distillation of Medicinal and Aromatic Plants as Fertilizers in Mediterranean Soils

by Anastasia-Garyfallia Karagianni, Anastasia Paraschou and Theodora Matsi

Agronomy 2025, 15(8), 1903; https://doi.org/10.3390/agronomy15081903 - 7 Aug 2025

Viewed by 821

Abstract

The current study focuses on a preliminary evaluation of the use of solid residues produced from the distillation of selected medicinal and aromatic plants (MAP) as fertilizers for alkaline soils. Specifically, the residues of hemp (Cannabis sativa L.), helichrysum (Helichrysum Italicum [...] Read more.

The current study focuses on a preliminary evaluation of the use of solid residues produced from the distillation of selected medicinal and aromatic plants (MAP) as fertilizers for alkaline soils. Specifically, the residues of hemp (Cannabis sativa L.), helichrysum (Helichrysum Italicum (Roth) G. Don), lavender (Lavandula angustifolia Mill.), oregano (Origanum vulgare L.), rosemary (Rosmarinus officinalis L.) and sage (Salvia officinalis L.) were added in an alkaline and calcareous soil at the rates of 0 (control), 1, 2, 4 and 8%, in three replications (treatments), and the treated soils were analyzed. The results showed that upon application of the residues, soil electrical conductivity (EC), organic C, total N and the C/N ratio significantly increased, especially at the 4 and 8% rates. The same was found for soil available P, K, B, Cu and Mn. The effects of the residues on soil pH, cation exchange capacity (CEC) and available Zn and Fe were rather inconclusive, whereas soil available N significantly decreased, which was somewhat unexpected. From the different application rates tested, it seems that all residues could improve soil fertility (except N?) when they were applied to soil at rates of 2% and above, without exceeding the 8% rate. The reasons for the latter statement are soil EC and available Mn: the doubling of EC upon application of the residues and the excessive increase in soil available Mn in treatments with 8% residues raise concerns of soil salinization and Mn phytotoxicity risks, respectively. This work provides the first step towards the potential agronomic use of solid residues from MAP distillation in alkaline soils. However, for the establishment of such a perspective, further research is needed in respect to the effect of residues on plant growth and soil properties, by means of at least pot experiments. Based on the results of the current study, the undesirable effect of residues on soil available N should be investigated in depth, since N is the most important essential element for plant growth, and possible risks of micronutrient phytotoxicities should also be studied. In addition, application rates between 2 and 4% should be studied extensively in order to recommend optimum application rates of residues to producers. Full article

(This article belongs to the Section Soil and Plant Nutrition)

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20 pages, 2425 KB

Open AccessEditor’s ChoiceArticle

Impact of Tillage System and Mineral Fertilization on Weed Suppression and Yield of Winter Wheat

by Felicia Chețan, Adrian Ioan Pop, Cornel Chețan, Ioan Gaga, Alina Șimon, Camelia Urdă, Alin Popa, Roxana Elena Călugăr, Teodor Rusu and Paula Ioana Moraru

Agronomy 2025, 15(8), 1904; https://doi.org/10.3390/agronomy15081904 - 7 Aug 2025

Viewed by 896

Abstract

This study, which began in the 2013/2014 agricultural year, aimed to assess the suitability of two soil tillage systems for wheat cultivation: conventional soil tillage (CS), which involved moldboard plowing to a depth of 28 cm followed by a single pass with a [...] Read more.

This study, which began in the 2013/2014 agricultural year, aimed to assess the suitability of two soil tillage systems for wheat cultivation: conventional soil tillage (CS), which involved moldboard plowing to a depth of 28 cm followed by a single pass with a rotary harrow to prepare the seedbed, and no-tillage (NT). It also sought to analyze the impacts of these systems on weed infestation levels and, consequently, on yield. A moderate level of fertilization was applied. The experimental field was established with a three-year crop rotation system: soybean–winter wheat–maize. The total number of weed species was 30 in CS, the representative species being Xanthium strumarium, and in NT there were 29 species, with Xanthium strumarium, Cirsium arvense, Bromus tectorum, and Agropyron repens predominating. There was an increase in the number of perennials (dicots and monocots). The total dry matter of weeds was 35.4 t ha⁻¹ in CS and 38.8 t ha⁻¹ in NT. After 11 agricultural years, it was found that there were no significant differences between the two soil tillage systems in terms of wheat yield (6.55 t ha⁻¹ in CS and 6.46 t ha⁻¹ in NT). The uneven rainfall negatively affected wheat growth and favored the spread of weeds, especially dicotyledonous ones. Full article

(This article belongs to the Special Issue Agroecological Strategies for Improving Nutritional Quality of Cereal Crops)

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23 pages, 2767 KB

Open AccessEditor’s ChoiceArticle

Sustainable Cotton Production in Sicily: Yield Optimization Through Varietal Selection, Mycorrhizae, and Efficient Water Management

by Giuseppe Salvatore Vitale, Nicolò Iacuzzi, Noemi Tortorici, Giuseppe Indovino, Loris Franco, Carmelo Mosca, Antonio Giovino, Aurelio Scavo, Sara Lombardo, Teresa Tuttolomondo and Paolo Guarnaccia

Agronomy 2025, 15(8), 1892; https://doi.org/10.3390/agronomy15081892 - 6 Aug 2025

Cited by 2 | Viewed by 1191

Abstract

This study explores the revival of cotton (Gossypium spp. L.) farming in Italy through sustainable practices, addressing economic and water-related challenges by integrating cultivar selection, arbuscular mycorrhizal fungi (AMF) inoculation, and deficit irrigation under organic farming. Field trials evaluated two widely grown [...] Read more.

This study explores the revival of cotton (Gossypium spp. L.) farming in Italy through sustainable practices, addressing economic and water-related challenges by integrating cultivar selection, arbuscular mycorrhizal fungi (AMF) inoculation, and deficit irrigation under organic farming. Field trials evaluated two widely grown Mediterranean cultivars (Armonia and ST-318) under three irrigation levels (I-100: 100% crop water requirement; I-70: 70%; I-30: 30%) across two Sicilian soil types (sandy loam vs. clay-rich). Under I-100, lint yields reached 0.99 t ha⁻¹, while severe deficit (I-30) yielded only 0.40 t ha⁻¹. However, moderate deficit (I-70) maintained 75–79% of full yields, proving a viable strategy. AMF inoculation significantly enhanced plant height (68.52 cm vs. 65.85 cm), boll number (+22.1%), and seed yield (+12.5%) (p < 0.001). Cultivar responses differed: Armonia performed better under water stress, while ST-318 thrived with full irrigation. Site 1, with higher organic matter, required 31–38% less water and achieved superior irrigation water productivity (1.43 kg m⁻³). Water stress also shortened phenological stages, allowing earlier harvests—important for avoiding autumn rains. These results highlight the potential of combining adaptive irrigation, resilient cultivars, and AMF to restore sustainable cotton production in the Mediterranean, emphasizing the importance of soil-specific management. Full article

(This article belongs to the Section Farming Sustainability)

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20 pages, 4565 KB

Open AccessEditor’s ChoiceArticle

Legume–Cereal Cover Crops Improve Soil Properties but Fall Short on Weed Suppression in Chickpea Systems

by Zelalem Mersha, Michael A. Ibarra-Bautista, Girma Birru, Julia Bucciarelli, Leonard Githinji, Andualem S. Shiferaw, Shuxin Ren and Laban Rutto

Agronomy 2025, 15(8), 1893; https://doi.org/10.3390/agronomy15081893 - 6 Aug 2025

Viewed by 1078

Abstract

Chickpea is a highly weed-prone crop with limited herbicide options and high labor demands, raising the following question: Can fall-planted legume–cereal cover crops (CCs) improve soil properties while reducing herbicide use and manual weeding pressure? To explore this, we evaluated the effect of [...] Read more.

Chickpea is a highly weed-prone crop with limited herbicide options and high labor demands, raising the following question: Can fall-planted legume–cereal cover crops (CCs) improve soil properties while reducing herbicide use and manual weeding pressure? To explore this, we evaluated the effect of fall-planted winter rye (WR) alone in 2021 and mixed with hairy vetch (HV) in 2022 and 2023 at Randolph farm in Petersburg, Virginia. The objectives were two-fold: (a) to examine the effect of CCs on soil properties using monthly growth dynamics and biomass harvested from fifteen 0.25 m²-quadrants and (b) to evaluate the efficiency of five termination methods: (1) green manure (GM); (2) GM plus pre-emergence herbicide (GMH); (3) burn (BOH); (4) crimp mulch (CRM); and (5) mow-mulch (MW) in suppressing weeds in chickpea fields. Weed distribution, particularly nutsedge, was patchy and dominant on the eastern side. Growth dynamics followed an exponential growth rate in fall 2022 (R² ≥ 0.994, p < 0.0002) and a three-parameter sigmoidal curve in 2023 (R² ≥ 0.972, p < 0.0047). Biomass averaged 55.8 and 96.9 t/ha for 2022 and 2023, respectively. GMH consistently outperformed GM in weed suppression, though GM was not significantly different from no-till systems by the season’s end. Kabuli-type chickpeas under GMH had significantly higher yields than desi types. Pooled data fitted well to a three-parametric logistic curve, predicting half-time to 50% weed coverage at 35 (MM), 38 (CRM), 40 (BOH), 46 (GM), and 53 (GMH) days. Relapses of CCs were consistent in no-till systems, especially BOH and MW. Although soil properties improved, CCs alone did not significantly suppress weed. Full article

(This article belongs to the Section Weed Science and Weed Management)

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23 pages, 3121 KB

Open AccessEditor’s ChoiceArticle

Seasonal Changes in the Soil Microbiome on Chernozem Soil in Response to Tillage, Fertilization, and Cropping System

by Andrea Balla Kovács, Evelin Kármen Juhász, Áron Béni, Costa Gumisiriya, Magdolna Tállai, Anita Szabó, Ida Kincses, Tibor Novák, András Tamás and Rita Kremper

Agronomy 2025, 15(8), 1887; https://doi.org/10.3390/agronomy15081887 - 5 Aug 2025

Viewed by 990

Abstract

Soil microbial communities are crucial for ecosystem services, soil fertility, and the resilience of agroecosystems. This study investigated how long-term (31 years) agronomic practices—tillage, NPK fertilization, and cropping system—along with measured environmental variables influence the microbial biomass and its community composition in Chernozem [...] Read more.

Soil microbial communities are crucial for ecosystem services, soil fertility, and the resilience of agroecosystems. This study investigated how long-term (31 years) agronomic practices—tillage, NPK fertilization, and cropping system—along with measured environmental variables influence the microbial biomass and its community composition in Chernozem soil under corn cultivation. The polyfactorial field experiment included three tillage treatments ((moldboard (MT), ripped (RT), strip (ST)), two fertilization regimes (NPK (N: 160; P: 26; K: 74 kg/ha), and unfertilized control) and two cropping systems (corn monoculture and corn–wheat biculture). The soil samples (0–30 cm) were collected in June and September 2023. Microbial biomass and community structure were quantified using phospholipid fatty acid (PLFA) analysis, which allowed the estimation of total microbial biomass and community composition (arbuscular mycorrhizal (AM) fungi, fungi, Gram-negative (GN) and Gram-positive (GP) bacteria, actinomycetes). Our results showed that microbial biomass increased from June to September, rising by 270% in unfertilized plots and by 135% in NPK-fertilized plots, due to higher soil moisture. Reduced tillage, especially ST, promoted significantly higher microbial biomass, with biomass reaching 290% and 182% of that in MT plots in June and September, respectively. MT had a higher ratio of bacteria-to-fungi compared to RT and ST, indicating a greater sensitivity of fungi to disturbance. NPK fertilization lowered soil pH by about one unit (to 4.1–4.8) and reduced microbial biomass—by 2% in June and 48% in September—compared to the control, with the particular suppression of AM fungi. The cropping system had a smaller overall effect on microbial biomass. Full article

(This article belongs to the Special Issue Effects of Soil Tillage and Fertilizer Management on Production of Cereal Crops: 2nd Edition)

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10 pages, 386 KB

Open AccessEditor’s ChoiceArticle

Certified Seed Use Enhances Yield Stability in Cereal Production Under Temperate Climate Conditions

by Patrycja Ojdowska, Tadeusz Oleksiak, Marcin Studnicki and Marzena Iwańska

Agronomy 2025, 15(8), 1886; https://doi.org/10.3390/agronomy15081886 - 5 Aug 2025

Cited by 1 | Viewed by 1195

Abstract

In the face of growing demand for food and climate change, ensuring the stability and height of crop yields is becoming a key challenge for modern agriculture. One of the solutions supporting the sustainable development of crop production is the use of certified [...] Read more.

In the face of growing demand for food and climate change, ensuring the stability and height of crop yields is becoming a key challenge for modern agriculture. One of the solutions supporting the sustainable development of crop production is the use of certified seed. The aim of this study was to assess the impact of using certified seed on the level and stability of yields of three cereal species: winter wheat, winter triticale and spring barley, in temperate climate conditions. Data came from surveys conducted on over 8000 farms in six agroecoregions of Poland in 2021–2023. The analysis showed significantly higher yields on farms using certified seed for all species studied. Additionally, greater yield stability (lower values of Shukla variance and Wricke ecovalence) was noted in the case of using certified seeds, especially in region IV. This indicates the positive impact of certified seeds (e.g., genetic purity, health, and vigor) on the efficiency and resilience of agricultural systems. This phenomenon is of particular importance in the context of climate change and may be an important element of risk management strategies in agriculture. Full article

(This article belongs to the Special Issue Genotype × Environment Interactions in Crop Production—2nd Edition)

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21 pages, 1932 KB

Open AccessEditor’s ChoiceArticle

Exploring Agronomic Management Strategies to Improve Millet, Sorghum, Peanuts and Rice in Senegal Using the DSSAT Models

by Walter E. Baethgen, Adama Faye and Mbaye Diop

Agronomy 2025, 15(8), 1882; https://doi.org/10.3390/agronomy15081882 - 4 Aug 2025

Viewed by 1195

Abstract

Achieving food security for a growing population under a changing climate is a key concern in Senegal, where agriculture employs 77% of the workforce with a majority of small farmers who rely on the production of crops for their subsistence and for income [...] Read more.

Achieving food security for a growing population under a changing climate is a key concern in Senegal, where agriculture employs 77% of the workforce with a majority of small farmers who rely on the production of crops for their subsistence and for income generation. Moreover, due to the underproductive soils and variable rainfall, Senegal depends on imports to fulfil 70% of its food requirements. In this research, we considered four crops that are crucial for Senegalese agriculture: millet, sorghum, peanuts and rice. We used crop simulation models to explore existing yield gaps and optimal agronomic practices. Improving the N fertilizer management in sorghum and millet resulted in 40–100% increases in grain yields. Improved N symbiotic fixation in peanuts resulted in yield increases of 20–100% with highest impact in wetter locations. Optimizing irrigation management and N fertilizer use resulted in 20–40% gains. The best N fertilizer strategy for sorghum and millet included applying low rates at sowing and in early development stages and adjusting a third application, considering the expected rainfall. Peanut yields of the variety 73-33 were higher than Fleur-11 in all locations, and irrigation showed no clear economic advantage. The best N fertilizer management for rainfed rice included applying 30 kg N/ha at sowing, 25 days after sowing (DAS) and 45 DAS. The best combination of sowing dates for a possible double rice crop depended on irrigation costs, with a first crop planted in January or March and a second crop planted in July. Our work confirmed results obtained in field research experiments and identified management practices for increasing productivity and reducing yield variability. Those crop management practices can be implemented in pilot experiments to further validate the results and to disseminate best management practices for farmers in Senegal. Full article

(This article belongs to the Section Farming Sustainability)

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40 pages, 2174 KB

Open AccessEditor’s ChoiceReview

Bridging Genes and Sensory Characteristics in Legumes: Multi-Omics for Sensory Trait Improvement

by Niharika Sharma, Soumi Paul Mukhopadhyay, Dhanyakumar Onkarappa, Kalenahalli Yogendra and Vishal Ratanpaul

Agronomy 2025, 15(8), 1849; https://doi.org/10.3390/agronomy15081849 - 31 Jul 2025

Cited by 3 | Viewed by 2617

Abstract

Legumes are vital sources of protein, dietary fibre and nutrients, making them crucial for global food security and sustainable agriculture. However, their widespread acceptance and consumption are often limited by undesirable sensory characteristics, such as “a beany flavour”, bitterness or variable textures. Addressing [...] Read more.

Legumes are vital sources of protein, dietary fibre and nutrients, making them crucial for global food security and sustainable agriculture. However, their widespread acceptance and consumption are often limited by undesirable sensory characteristics, such as “a beany flavour”, bitterness or variable textures. Addressing these challenges requires a comprehensive understanding of the complex molecular mechanisms governing appearance, aroma, taste, flavour, texture and palatability in legumes, aiming to enhance their sensory appeal. This review highlights the transformative power of multi-omics approaches in dissecting these intricate biological pathways and facilitating the targeted enhancement of legume sensory qualities. By integrating data from genomics, transcriptomics, proteomics and metabolomics, the genetic and biochemical networks that directly dictate sensory perception can be comprehensively unveiled. The insights gained from these integrated multi-omics studies are proving instrumental in developing strategies for sensory enhancement. They enable the identification of key biomarkers for desirable traits, facilitating more efficient marker-assisted selection (MAS) and genomic selection (GS) in breeding programs. Furthermore, a molecular understanding of sensory pathways opens avenues for precise gene editing (e.g., using CRISPR-Cas9) to modify specific genes, reduce off-flavour compounds or optimise texture. Beyond genetic improvements, multi-omics data also inform the optimisation of post-harvest handling and processing methods (e.g., germination and fermentation) to enhance desirable sensory profiles and mitigate undesirable ones. This holistic approach, spanning from the genetic blueprint to the final sensory experience, will accelerate the development of new legume cultivars and products with enhanced palatability, thereby fostering increased consumption and ultimately contributing to healthier diets and more resilient food systems worldwide. Full article

(This article belongs to the Special Issue Genetic Identification and Characterisation of Crop Agronomic Traits and Stress Resistance—2nd Edition)

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19 pages, 7212 KB

Open AccessEditor’s ChoiceReview

Phacelia tanacetifolia Benth. as a Multifunctional Plant: Support for Pollinators and Sustainable Agricultural Practices

by Piotr Jarosław Żarczyński, Ewa Mackiewicz-Walec, Sławomir Józef Krzebietke, Stanisław Sienkiewicz and Katarzyna Żarczyńska

Agronomy 2025, 15(8), 1843; https://doi.org/10.3390/agronomy15081843 - 30 Jul 2025

Viewed by 2045

Abstract

Phacelia tanacetifolia Benth. is a species of annual plant that has been gaining importance in recent years. Initially, it was treated as an ornamental plant and valuable only to bees. Over the years, this species has become more widely known, and many more [...] Read more.

Phacelia tanacetifolia Benth. is a species of annual plant that has been gaining importance in recent years. Initially, it was treated as an ornamental plant and valuable only to bees. Over the years, this species has become more widely known, and many more of its advantages have been discovered. The aim of this study was to learn about the contemporary economic importance of Phacelia tanacetifolia Benth. The extraordinary, rapid increase in the plant’s biomass means that it is valued as a fodder plant and at the same time is included in the group of leaders among catch crops. It is characterized by low requirements for soil quality. The main advantage of this plant is its high resistance to drought and frost. A great advantage of this plant is its high drought resistance. It is recommended for sowing both in monoculture and in mixtures with other species. In the light of current standards and assumptions, it fits perfectly into the framework of sustainable development. It is a valuable link in the biodiversity chain, as well as support for a number of ecosystem services such as CO₂ sequestration, retention of nutrients in the soil or protection of its structure. Phacelia is seen as having great potential as a plant that provides food for a number of pollinators. The latest research also focuses on assessing the possibility of using it for energy purposes (biogas). Efforts are being made to introduce phacelia on a wider scale to eliminate crop monocultures and significantly strengthen biodiversity in a given area. Phacelia plays an important role in various agronomic systems and effectively supports the protection of the natural environment. The contribution of this species to the development of ecosystem services to date is undeniable. It should be assumed that this plant will continue to significantly support a number of activities for sustainable development. Full article

(This article belongs to the Special Issue Cover Crops and Forage in Nutrient Cycling and Their Utilization in Integrated Crop–Livestock Systems)

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21 pages, 1758 KB

Open AccessEditor’s ChoiceArticle

The Effect of Different Tillage Methods on Spring Barley Productivity and Grain Quality Indicators

by Aušra Sinkevičienė, Kęstutis Romaneckas, Edita Meškinytė and Rasa Kimbirauskienė

Agronomy 2025, 15(8), 1823; https://doi.org/10.3390/agronomy15081823 - 28 Jul 2025

Viewed by 823

Abstract

The production of winter wheat, spring barley, spring oilseed rape, and field beans requires detailed experimental data studies to analyze the quality and productivity of spring barley grain under different cultivation and tillage conditions. As the world’s population grows, more food is required [...] Read more.

The production of winter wheat, spring barley, spring oilseed rape, and field beans requires detailed experimental data studies to analyze the quality and productivity of spring barley grain under different cultivation and tillage conditions. As the world’s population grows, more food is required to maintain a stable food supply chain. For many years, intensive farming systems have been used to meet this need. Today, intensive climate change events and other global environmental challenges are driving a shift towards sustainable use of natural resources and simplified cultivation methods that produce high-quality and productive food. It is important to study different tillage systems in order to understand how these methods can affect the chemical composition and nutritional value of the grain. Both agronomic and economic aspects contribute to the complexity of this field and their analysis will undoubtedly contribute to the development of more efficient agricultural practice models and the promotion of more conscious consumption. An appropriate tillage system should be oriented towards local climatic characteristics and people’s needs. The impact of reduced tillage on these indicators in spring barley production is still insufficiently investigated and requires further analysis at a global level. This study was carried out at Vytautas Magnus University Agriculture Academy (Lithuania) in 2022–2024. Treatments were arranged using a split-plot design. Based on a long-term tillage experiment, five tillage systems were tested: deep and shallow plowing, deep cultivation–chiseling, shallow cultivation–disking, and no-tillage. The results show that in 2022–2024, the hectoliter weight and moisture content of spring barley grains increased, but protein content and germination decreased in shallowly plowed fields. In deep cultivation–chiseling fields, the protein content (0.1–1.1%) of spring barley grains decreased, and in shallow cultivation–disking fields, the moisture content (0.2–0.3%) decreased. In all fields, the simplified tillage systems applied reduced spring barley germination (0.4–16.7%). Tillage systems and meteorological conditions are the two main forces shaping the quality indicators of spring barley grains. Properly selected tillage systems and favorable climatic conditions undoubtedly contribute to better grain properties and higher yields, while reducing the risk of disease spread. Full article

(This article belongs to the Section Innovative Cropping Systems)

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23 pages, 3342 KB

Open AccessEditor’s ChoiceArticle

Zoning of “Protected Designation of Origin La Mancha Saffron” According to the Quality of the Flower

by Jorge F. Escobar-Talavera, María Esther Martínez-Navarro, Sandra Bravo, Gonzalo L. Alonso and Rosario Sánchez-Gómez

Agronomy 2025, 15(8), 1819; https://doi.org/10.3390/agronomy15081819 - 27 Jul 2025

Viewed by 1004

Abstract

The quality of Crocus sativus L. flowers, beyond their stigmas, is influenced by the presence of bioactive metabolites also in their floral bio-residues. Given the effect of climatic and soil variables on these bioactive compounds, the aim of this research was to develop [...] Read more.

The quality of Crocus sativus L. flowers, beyond their stigmas, is influenced by the presence of bioactive metabolites also in their floral bio-residues. Given the effect of climatic and soil variables on these bioactive compounds, the aim of this research was to develop an agroecological zoning of saffron crop areas within the Protected Designation of Origin (PDO) La Mancha region (Castilla-La Mancha, Spain) by integrating the floral metabolite content with climatic and soil variables. To achieve this, a total of 173 samples were collected during the 2022 and 2023 harvests and analyzed via RP-HPLC-DAD to determine crocins, picrocrocin, kaempferols, and anthocyanins. Two new indices, Cropi (crocins + picrocrocin) and Kaeman (kaempferols + anthocyanins), were defined to classify flowers into four quality categories (A–D). High-quality classifications (A and B) were consistently associated with plots grouped in the meteorological stations of Ontur, El Sanchón, and Bolaños, indicating favorable edaphoclimatic conditions and climatic parameters, such as moderate temperatures and reduced humidity, for metabolite biosynthesis. In contrast, plots included in the meteorological stations of Tarazona and Pedernoso were mostly assigned to lower categories (C and D). Spatial analysis using thematic maps revealed that areas with an intermediate carbonate content, less calcareous soils, and higher organic matter levels were linked to higher flower quality. These findings highlight the influence of soil characteristics and climate, with distinct seasonal contrasts, that positively influence metabolite synthesis and flower quality. Full article

(This article belongs to the Special Issue Agricultural Aspects of Medicinal, Aromatic and Spice Plants' Cultivation, Harvest, Processing and Conservation)

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19 pages, 2764 KB

Open AccessEditor’s ChoiceArticle

Reducing Nitrogen Fertilization Rate in Spring Wheat–Pea Rotation Sustains Spring Wheat Yield and Quality

by Upendra M. Sainju and Gautam P. Pradhan

Agronomy 2025, 15(8), 1806; https://doi.org/10.3390/agronomy15081806 - 26 Jul 2025

Viewed by 924

Abstract

The reduced N fertilization rate and N supplied by pea (Pisum sativum L.) residue may sustain subsequent spring wheat (Triticum aestivum L.) growth, yield, and quality. We examined the response of spring wheat growth, yield, and quality to cropping systems and [...] Read more.

The reduced N fertilization rate and N supplied by pea (Pisum sativum L.) residue may sustain subsequent spring wheat (Triticum aestivum L.) growth, yield, and quality. We examined the response of spring wheat growth, yield, and quality to cropping systems and N fertilization rates from 2012 to 2019 in the US northern Great Plains. Cropping systems were conventional till spring wheat–fallow (CTWF), no-till spring wheat–fallow (NTWF), no-till spring wheat–pea (NTWP), and no-till continuous wheat (NTCW), and N fertilization rates to spring wheat were 0, 50, 100, and 150 kg N ha⁻¹. Wheat plant density and straw yield were 13–100% greater for CTWF and NTWF than NTWP and NTCW in most years. Wheat grain yield and protein concentration were also 15–115% greater for CTWF and NTWF than other cropping systems at most N fertilization rates and years. In contrast, wheat grain test weight was 1–2% lower for CTWF and NTWF at most N fertilization rates and years. Increasing N fertilization rate mostly increased grain yield and protein concentration but reduced grain test weight for most cropping systems and years. Although CTWF and NTWF with or without N fertilization increased wheat yield and quality, these practices are not sustainable due to reduced annualized yield, soil health, and environmental quality. Because of similar or greater grain yields and test weights among NTWP with 50 kg N ha⁻¹ and NTWP and NTCW with other N rates, NTWP with reduced N rates may sustain spring wheat yield and grain size but not grain protein in the northern Great Plains. Full article

(This article belongs to the Special Issue Fertilizer Innovation and Practice in Sustainable Intensified Agriculture)

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31 pages, 4964 KB

Open AccessEditor’s ChoiceArticle

Conventional vs. Photoselective Nets: Impacts on Tree Physiology, Yield, Fruit Quality and Sunburn in “Gala” Apples Grown in Mediterranean Climate

by Sandra Afonso, Marta Gonçalves, Margarida Rodrigues, Francisco Martinho, Verónica Amado, Sidónio Rodrigues and Miguel Leão de Sousa

Agronomy 2025, 15(8), 1812; https://doi.org/10.3390/agronomy15081812 - 26 Jul 2025

Cited by 3 | Viewed by 3160

Abstract

The impact of five different nets—conventional black, grey, white, and photoselective red and yellow—on the performance of “Gala Redlum” apples was evaluated over a five-year period (2020–2024) and compared to an uncovered control. The cumulative production over this period, ranked from highest to [...] Read more.

The impact of five different nets—conventional black, grey, white, and photoselective red and yellow—on the performance of “Gala Redlum” apples was evaluated over a five-year period (2020–2024) and compared to an uncovered control. The cumulative production over this period, ranked from highest to lowest, was as follows: white net (182.4 t/ha), grey net (178.5 t/ha), yellow net (175.8 t/ha), black net (175.5 t/ha), red net (169.5 t/ha), and uncovered control (138.8 t/ha). Vegetative growth results were inconsistent among the studied years. The cumulative photosynthetic rate (An) was slightly higher under the white net (57.9 µmol m⁻² s⁻¹). Fv/Fm values remained closest to optimal levels under the black and grey nets. Netting effectively protected fruits from elevated temperatures, particularly under the grey net, and reduced sunburn damage, with the grey, black, and yellow nets performing best in this regard. Overall profitability was increased by netting: the black net provided the highest cumulative income per hectare over a five-year period (EUR 72,315) alongside the second-lowest sunburn loss (0.69%), while the yellow net also showed strong economic performance (€64,742) with a moderate sunburn loss (1.26%) compared to the red net. Fruit dry matter and soluble solids content (SSC) were generally higher in the uncovered control, whereas °Hue values tended to be higher under the red and yellow nets. In summary, the black and yellow nets provided more balanced microclimatic conditions that enhanced tree performance, particularly under heat stress, leading to improved yield and profitability. However, the economic feasibility of each net type should be evaluated in relation to its installation and maintenance costs. Full article

(This article belongs to the Special Issue Adaptation Strategies Under Climate Change in Mediterranean Agriculture)

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12 pages, 1936 KB

Open AccessEditor’s ChoiceArticle

Transcriptomic and Metabolomic Profiling of Pleurotus eryngii Cultivated on Olive Mill Solid Waste-Enriched Substrates

by Nirit Ezov, Adir Amiram, Soliman Khatib, Ofer Danay, Dan Levanon and Idan Pereman

Agronomy 2025, 15(8), 1811; https://doi.org/10.3390/agronomy15081811 - 26 Jul 2025

Viewed by 824

Abstract

Olive Mill Solid Waste (OMSW) presents an environmental challenge due to its toxicity and difficulties in its recycling. Prior studies suggest its potential as a substrate ingredient for cultivating edible mushrooms. Here, we investigate how varying OMSW concentrations in the substrate affect the [...] Read more.

Olive Mill Solid Waste (OMSW) presents an environmental challenge due to its toxicity and difficulties in its recycling. Prior studies suggest its potential as a substrate ingredient for cultivating edible mushrooms. Here, we investigate how varying OMSW concentrations in the substrate affect the synthesis pathways of α-glucan and β-glucan polysaccharides, alongside transcriptional and metabolic changes in Pleurotus eryngii. We also assessed the mushroom’s protein and nitrogen content. Our results highlight the critical role of substrate composition, demonstrating that the OMSW concentration significantly influences mushroom growth, yield, protein content, gene expression, and metabolite profiles. These findings establish OMSW not only as a viable recycling resource but also as a modulator of health-promoting compound synthesis in P. eryngii. Full article

(This article belongs to the Special Issue Edible and Medicinal Fungi in Sustainable Agricultural Production: Technology and Applications—2nd Edition)

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32 pages, 1770 KB

Open AccessEditor’s ChoiceArticle

Regional Patterns in Weed Composition of Maize Fields in Eastern Hungary: The Balance of Environmental and Agricultural Factors

by Mihály Zalai, Erzsébet Tóth, János György Nagy and Zita Dorner

Agronomy 2025, 15(8), 1814; https://doi.org/10.3390/agronomy15081814 - 26 Jul 2025

Viewed by 1352

Abstract

The primary aim of this study was to explore the influence of abiotic factors on weed development in maize fields, with the goal of informing more effective weed management practices. We focused on identifying key environmental, edaphic, and agricultural variables that contribute to [...] Read more.

The primary aim of this study was to explore the influence of abiotic factors on weed development in maize fields, with the goal of informing more effective weed management practices. We focused on identifying key environmental, edaphic, and agricultural variables that contribute to weed infestations, particularly before the application of spring herbicide treatments. Field investigations were conducted from 2018 to 2021 across selected maize-growing regions in Hungary. Over the four-year period, a total of 51 weed species were recorded, with Echinochloa crus-galli, Chenopodium album, Portulaca oleracea, and Hibiscus trionum emerging as the most prevalent taxa. Collectively, these four species accounted for more than half (52%) of the total weed cover. Altogether, the 20 most dominant species contributed 95% of the overall weed coverage. The analysis revealed that weed cover, species richness, and weed diversity were significantly affected by soil properties, nutrient levels, geographic location, and tillage systems. The results confirm that the composition of weed species was influenced by several environmental and management-related factors, including soil parameters, geographical location, annual precipitation, tillage method, and fertilizer application. Environmental factors collectively explained a slightly higher proportion of the variance (13.37%) than farming factors (12.66%) at a 90% significance level. Seasonal dynamics and crop rotation history also played a notable role in species distribution. Nutrient inputs, particularly nitrogen, phosphorus, and potassium, influenced both species diversity and floristic composition. Deep tillage practices favored the proliferation of perennial species, whereas shallow cultivation tended to promote annual weeds. Overall, the composition of weed vegetation proved to be a valuable indicator of site-specific soil conditions and agricultural practices. These findings underscore the need to tailor weed management strategies to local environmental and soil contexts for sustainable crop production. Full article

(This article belongs to the Special Issue State-of-the-Art Research on Weed Populations and Community Dynamics)

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21 pages, 1420 KB

Open AccessEditor’s ChoiceArticle

Functional Characterization of a Synthetic Bacterial Community (SynCom) and Its Impact on Gene Expression and Growth Promotion in Tomato

by Mónica Montoya, David Durán-Wendt, Daniel Garrido-Sanz, Laura Carrera-Ruiz, David Vázquez-Arias, Miguel Redondo-Nieto, Marta Martín and Rafael Rivilla

Agronomy 2025, 15(8), 1794; https://doi.org/10.3390/agronomy15081794 - 25 Jul 2025

Cited by 1 | Viewed by 1460

Abstract

Sustainable agriculture requires replacing agrochemicals with environmentally friendly products. One alternative is bacterial inoculants with plant-growth-promoting (PGP) activity. Bacterial consortia offer advantages over single-strain inoculants, as they possess more PGP traits and allow the exploitation of bacterial synergies. Synthetic bacterial communities (SynComs) can [...] Read more.

Sustainable agriculture requires replacing agrochemicals with environmentally friendly products. One alternative is bacterial inoculants with plant-growth-promoting (PGP) activity. Bacterial consortia offer advantages over single-strain inoculants, as they possess more PGP traits and allow the exploitation of bacterial synergies. Synthetic bacterial communities (SynComs) can be used as inoculants that are thoroughly characterized and assessed for efficiency and safety. Here, we describe the construction of a SynCom composed of seven bacterial strains isolated from the rhizosphere of tomato plants and other orchard vegetables. The strains were identified by 16S rDNA sequencing as Pseudomonas spp. (two isolates), Rhizobium sp., Ensifer sp., Microbacterium sp., Agromyces sp., and Chryseobacterium sp. The metagenome of the combined strains was sequenced, allowing the identification of PGP traits and the assembly of their individual genomes. These traits included nutrient mobilization, phytostimulation, and biocontrol. When inoculated into tomato plants in an agricultural soil, the SynCom caused minor effects in soil and rhizosphere bacterial communities. However, it had a high impact on the gene expression pattern of tomato plants. These effects were more significant at the systemic than at the local level, indicating a priming effect in the plant, as signaling through jasmonic acid and ethylene appeared to be altered. Full article

(This article belongs to the Section Farming Sustainability)

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18 pages, 1367 KB

Open AccessEditor’s ChoiceArticle

Intensification of Pea (Pisum sativum L.) Production in Organic Farming: Effects of Biological Treatments on Plant Growth, Seed Yield, and Protein Content

by Thi Giang Nguyen, Petr Konvalina, Ivana Capouchová, Petr Dvořák, Kristýna Perná, Marek Kopecký, Trong Nghia Hoang, Jana Lencová, Andrea Bohatá, Miloslava Kavková, Yves Theoneste Murindangabo, David Kabelka and Dang Khoa Tran

Agronomy 2025, 15(8), 1792; https://doi.org/10.3390/agronomy15081792 - 25 Jul 2025

Viewed by 937

Abstract

The adoption of biological control strategies plays a crucial role in ensuring the sustainability of organic agricultural practices. A field experiment was conducted in 2023 and 2024 to evaluate the impact of biological treatments using lactic acid bacteria (LAB) Lactiplantibacillus plantarum and mycoparasitic [...] Read more.

The adoption of biological control strategies plays a crucial role in ensuring the sustainability of organic agricultural practices. A field experiment was conducted in 2023 and 2024 to evaluate the impact of biological treatments using lactic acid bacteria (LAB) Lactiplantibacillus plantarum and mycoparasitic fungus (MPF) Trichoderma virens applied through seed treatment and foliar application separately and in combination on agronomic characteristics and pea yield in organic cultivation. Seed treatment with LAB and MPF resulted in a notable improvement in shoot length and root dry weight, while an increase in root nodule number was observed exclusively with LAB. The combined application of MPF as a seed treatment and LAB as a foliar application at the flowering stage significantly enhanced pod weight per plant, seed number per pod and per plant, and seed weight compared to treatments with LAB applied as either a foliar or seed treatment separately, as well as the untreated control. However, the yield responses to individual and combined treatments under field conditions demonstrated variability and inconsistency. Protein content ranged from 21.24% to 21.61%, and no significant differences observed between treatments. This is the first field report directly comparing the effectiveness of treatments on organic pea production. The findings offer promising avenues for assessing the long-term impacts of these treatments on the sustainable intensification of pea cultivation. Full article

(This article belongs to the Special Issue Cereal–Legume Cropping Systems)

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16 pages, 3740 KB

Open AccessEditor’s ChoiceArticle

Growing Processing Tomatoes in the Po Valley Is More Sustainable Under Regulated Deficit Irrigation

by Andrea Burato, Pasquale Campi, Alfonso Pentangelo and Mario Parisi

Agronomy 2025, 15(8), 1805; https://doi.org/10.3390/agronomy15081805 - 25 Jul 2025

Viewed by 1249

Abstract

The Po valley (northern Italy) is the leading European region for processing tomato (Solanum lycopersicum L.) production. Although historically characterized by abundant water availability, this area is now increasingly affected by drought risk. This study presents a two-year evaluation of regulated deficit [...] Read more.

The Po valley (northern Italy) is the leading European region for processing tomato (Solanum lycopersicum L.) production. Although historically characterized by abundant water availability, this area is now increasingly affected by drought risk. This study presents a two-year evaluation of regulated deficit irrigation (RDI) on processing tomatoes in northern Italy. In 2019 (Parma) and 2022 (Piacenza), full irrigation (IRR, restoring 100% crop evapotranspiration) and RDI (100% IRR until the color-breaking stage, followed by 50% IRR) strategies were compared within a completely randomized block design. Overall, RDI resulted in a 25% reduction in water use without compromising yield, which was maintained through unchanged plant fertility and fruit size compared to IRR. Remote sensing data from PlanetScope imagery confirmed the absence of water stress in RDI-treated plants. Furthermore, increased soluble solids and dry matter contents under RDI suggest a physiological adaptation of processing tomatoes to late-season water deficit. Remarkably, environmental and economic sustainability indicators—namely water productivity and yield quality—were enhanced under RDI management. This study validates a simple, sustainable, and readily applicable irrigation approach for tomato cultivation in the Po valley. Future research should refine this method by investigating plant physiological responses to optimize water use in this key agricultural region. Full article

(This article belongs to the Special Issue Response Mechanism of Plants to Water in Efficient Water-Saving Irrigation Technologies)

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21 pages, 1471 KB

Open AccessEditor’s ChoiceArticle

Impact of Basalt Rock Powder on Ryegrass Growth and Nutrition on Sandy and Loamy Acid Soils

by Charles Desmalles, Lionel Jordan-Meille, Javier Hernandez, Cathy L. Thomas, Sarah Dunham, Feifei Deng, Steve P. McGrath and Stephan M. Haefele

Agronomy 2025, 15(8), 1791; https://doi.org/10.3390/agronomy15081791 - 25 Jul 2025

Viewed by 2515

Abstract

Enhanced weathering of silicate rocks in agriculture is an option for atmospheric CO₂ removal and fertility improvement. The objective of our work is to characterise some of the agricultural consequences of a basaltic powder amendment on soil-crop systems. Two doses of basalt [...] Read more.

Enhanced weathering of silicate rocks in agriculture is an option for atmospheric CO₂ removal and fertility improvement. The objective of our work is to characterise some of the agricultural consequences of a basaltic powder amendment on soil-crop systems. Two doses of basalt (80 and 160 t ha⁻¹) were applied to two types of slightly acid soils (sandy or silty clayey), derived from long-term trials at Bordeaux (INRAE, France) and Rothamsted Research (England), respectively. For each soil, half of the pots were planted with ryegrass; the other half were left bare. Thus, the experiment had twelve treatments with four replications per treatment. Soil pH increased with the addition of basalt (+0.8 unit), with a 5% equivalence of that of reactive chalk. The basalt contained macro- and micronutrients. Some cations extractable in the basalt before being mixed to the soil became more extractable with increased weathering, independent of plant cover. Plant uptake generally increased for macronutrients and decreased for micronutrients, due to increased stock (macro) and reduced availability (micronutrients and P), related to pH increases. K supplied in the basalt was responsible for a significant increase in plant yield on the sandy soil, linked to an average basalt K utilisation efficiency of 33%. Our general conclusion is that rock dust applications have to be re-evaluated at each site with differing soil characteristics. Full article

(This article belongs to the Section Grassland and Pasture Science)

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17 pages, 1706 KB

Open AccessEditor’s ChoiceArticle

Root-Emitted Volatile Organic Compounds from Daucus carota Modulate Chemotaxis in Phasmarhabditis and Oscheius Nematodes

by Emre Sen, Tamás Lakatos, Tímea Tóth, Stanislav Trdan and Žiga Laznik

Agronomy 2025, 15(8), 1793; https://doi.org/10.3390/agronomy15081793 - 25 Jul 2025

Viewed by 1498

Abstract

Root-emitted volatile organic compounds (VOCs) play a critical role in below-ground ecological interactions by mediating communication between plants, pests, and their natural enemies. This study investigates the chemotactic behavior of three slug-parasitic nematode species—Phasmarhabditis papillosa, Oscheius myriophilus, and Oscheius onirici [...] Read more.

Root-emitted volatile organic compounds (VOCs) play a critical role in below-ground ecological interactions by mediating communication between plants, pests, and their natural enemies. This study investigates the chemotactic behavior of three slug-parasitic nematode species—Phasmarhabditis papillosa, Oscheius myriophilus, and Oscheius onirici—in response to four carrot (Daucus carota) root-derived VOCs: α-pinene, terpinolene, bornyl acetate, and 2-ethyl-1-hexanol. Using a modified Petri dish assay, infective juveniles (IJs) were exposed to each compound across four concentrations (pure, 1000 ppm, 10 ppm, and 0.03 ppm), and their directional movement was quantified using a chemotaxis index (CI). The results revealed strong species-specific and concentration-dependent patterns. O. myriophilus exhibited the highest motility and repellency, particularly toward bornyl acetate and terpinolene, indicating its potential for use in VOC-guided biocontrol strategies. O. onirici showed moderate but consistent attraction to most VOCs, while P. papillosa exhibited generally weak or repellent responses, especially at higher concentrations. None of the compounds tested functioned as strong attractants (CI ≥ 0.2), suggesting that plant-derived VOCs alone may not be sufficient to direct nematode recruitment under field conditions. However, their integration with other biotic cues could enhance nematode-based “lure-and-infect” systems for sustainable slug control in carrot cropping systems. Full article

(This article belongs to the Section Pest and Disease Management)

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22 pages, 658 KB

Open AccessEditor’s ChoiceArticle

Integrating Cultivation Practices and Post-Emergence Herbicides for ALS-Resistant False Cleavers (Galium spurium L.) Management in Durum Wheat

by Panagiotis Sparangis, Aspasia Efthimiadou, Nikolaos Katsenios, Kyriakos D. Giannoulis and Anestis Karkanis

Agronomy 2025, 15(8), 1786; https://doi.org/10.3390/agronomy15081786 - 24 Jul 2025

Viewed by 2200

Abstract

False cleavers (Galium spurium L.) is a broadleaf weed species that affects wheat productivity because of its strong competition for resources. It has developed resistance to acetolactate synthase (ALS) inhibitors, such as sulfonylureas and triazolopyrimidines, which are herbicides widely used in durum [...] Read more.

False cleavers (Galium spurium L.) is a broadleaf weed species that affects wheat productivity because of its strong competition for resources. It has developed resistance to acetolactate synthase (ALS) inhibitors, such as sulfonylureas and triazolopyrimidines, which are herbicides widely used in durum wheat. Integrated weed management programs can contribute to the control of this species and delay the evolution of herbicide resistance. Thus, a two-year field experiment was conducted to evaluate the effects of sowing time, variety, and herbicides on crop yield, density, and dry weight of a false cleavers population with resistance to ALS inhibitors. In both growing seasons, a split-split-plot design was used with three replicates. The sowing date was chosen as the main plot factor, durum wheat varieties as the subplot factor, and herbicides as the sub-subplot factor. The herbicide treatments were: (1) metsulfuron-methyl/bensulfuron-methyl (4/50 g a.i. ha⁻¹), (2) aminopyralid/florasulam (9.9/4.95 g a.i. ha⁻¹), (3) pyroxsulam and florasulam/2,4-D (18.75 + 4.725/225 g a.i. ha⁻¹), (4) 2,4-D/bromoxynil (633.15/601.2 g a.i. ha⁻¹), non-treated control, and hand-weeded control for the first season, while in the second season one more herbicide treatment (halauxifen-methyl/florasulam, 5.6/5.15 g a.i. ha⁻¹) was added. Herbicide application was performed on 10 March 2021 and 28 March 2022, when the crop was at the end of tillering and the beginning of stem elongation. The results showed that the density of false cleavers was not affected by the variety or sowing time. However, its dry weight was 17.3–23.4% higher in early sowing (16 November in 2020 and 8 November 2021) than in late sowing (24 December 2020 and 2 December 2021). Among the herbicides tested, 2,4-D/bromoxynil and halauxifen-methyl/florasulam effectively controlled false cleavers, showing greater efficacy in late sowing (>88%), which ultimately led to a higher yield. In conclusion, our two-year findings demonstrate that delayed sowing as part of an integrated weed management strategy can contribute to controlling resistant populations of false cleavers to ALS-inhibiting herbicides without affecting the quantity and quality of durum wheat yield in areas with a Mediterranean climate. Full article

(This article belongs to the Special Issue Weed Biology and Ecology: Importance to Integrated Weed Management)

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17 pages, 3185 KB

Open AccessEditor’s ChoiceArticle

Lettuce Performance in a Tri-Trophic System Incorporating Crops, Fish and Insects Confirms the Feasibility of Circularity in Agricultural Production

by Michalis Chatzinikolaou, Anastasia Mourantian, Maria Feka and Efi Levizou

Agronomy 2025, 15(8), 1782; https://doi.org/10.3390/agronomy15081782 - 24 Jul 2025

Cited by 1 | Viewed by 1259

Abstract

A circular tri-trophic system integrating aquaponics, i.e., combined cultivation of crops and fish, with insect rearing is presented for lettuce cultivation. The nutrition cycle among crops, insects and fish turns waste into resource, thereby increasing the sustainability of this food production system. A [...] Read more.

A circular tri-trophic system integrating aquaponics, i.e., combined cultivation of crops and fish, with insect rearing is presented for lettuce cultivation. The nutrition cycle among crops, insects and fish turns waste into resource, thereby increasing the sustainability of this food production system. A comprehensive evaluation of the system’s efficiency was performed, including the growth, functional and resource use efficiency traits of lettuce, the dynamics of which were followed in a pilot-scale aquaponics greenhouse, under three treatments: conventional hydroponics (HP) as the control, coupled aquaponics (CAP) with crops irrigated with fish-derived water, and decoupled aquaponics (DCAP), where fish-derived water was amended with fertilizers to reach the HP target. The main findings indicate comparable physiological performance between DCAP and HP, despite the slightly lower yield observed in the former. The CAP treatment exhibited a significant decrease in biomass accumulation and functional impairments, which were attributed to reduced nutrient levels in lettuce leaves. The DCAP treatment exhibited a 180% increase in fertilizer use efficiency compared to the HP treatment. We conclude that the tri-trophic cropping system with the implementation of DCAP variant is an effective system that enables the combined production of crops and fish, the latter being fed with sustainably derived insect protein. The tri-trophic system improves the environmental impact and sustainability of lettuce production, while making circularity feasible. Full article

(This article belongs to the Section Farming Sustainability)

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15 pages, 2799 KB

Open AccessEditor’s ChoiceArticle

Revalorization of Olive Stones from Olive Pomace: Phenolic Compounds Obtained by Microwave-Assisted Extraction

by Alicia Castillo-Rivas, Paloma Álvarez-Mateos and Juan Francisco García-Martín

Agronomy 2025, 15(8), 1761; https://doi.org/10.3390/agronomy15081761 - 23 Jul 2025

Cited by 1 | Viewed by 1054

Abstract

Olive stones (OS) are a by-product of great interest from olive oil mills and the table olive industry due to their high content of phenolic compounds. In this work, the extraction of phenolic compounds from OS via microwave-assisted extraction (MAE) with aqueous acetone [...] Read more.

Olive stones (OS) are a by-product of great interest from olive oil mills and the table olive industry due to their high content of phenolic compounds. In this work, the extraction of phenolic compounds from OS via microwave-assisted extraction (MAE) with aqueous acetone was assayed. A central composite design of experiments was used to determine the optimal extraction conditions, with the independent variables being temperature, process time, and aqueous acetone (v/v). The dependent variables were the total content of phenolic compounds (TPC) measured by the Folin–Ciocalteu method and the main phenolic compounds identified and quantified by UPLC. Under optimal conditions (75 °C, 20 min, and 60% acetone), 3.32 mg TPC was extracted from 100 g of dry matter (DM) OS. The most suitable extraction conditions were different for each polyphenol. Therefore, 292.11 μg vanillin/g DM; 10.94 μg oleuropein/g DM; and 10.11 protocatechuic acid μg/g DM were obtained under conditions of 60 °C, 15 min, and 100% acetone; 43.8 °C, 10.45 min, and 61.3% acetone; and 64.8 °C, 16.58 min, and 97.8% acetone, respectively. Finally, MAE was compared with the traditional Soxhlet method under the same conditions. As a result, MAE was proven to be an enhanced and more feasible method for polyphenol extraction from OS. Full article

(This article belongs to the Section Plant-Crop Biology and Biochemistry)

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35 pages, 6030 KB

Open AccessEditor’s ChoiceReview

Common Ragweed—Ambrosia artemisiifolia L.: A Review with Special Regards to the Latest Results in Protection Methods, Herbicide Resistance, New Tools and Methods

by Bence Knolmajer, Ildikó Jócsák, János Taller, Sándor Keszthelyi and Gabriella Kazinczi

Agronomy 2025, 15(8), 1765; https://doi.org/10.3390/agronomy15081765 - 23 Jul 2025

Viewed by 2396

Abstract

Common ragweed (Ambrosia artemisiifolia L.) has been identified as one of the most harmful invasive weed species in Europe due to its allergenic pollen and competitive growth in diverse habitats. In the first part of this review [Common Ragweed—Ambrosia artemisiifolia L.: [...] Read more.

Common ragweed (Ambrosia artemisiifolia L.) has been identified as one of the most harmful invasive weed species in Europe due to its allergenic pollen and competitive growth in diverse habitats. In the first part of this review [Common Ragweed—Ambrosia artemisiifolia L.: A Review with Special Regards to the Latest Results in Biology and Ecology], its biological characteristics and ecological behavior were described in detail. In the current paper, control strategies are summarized, focusing on integrated weed management adapted to the specific habitat where the species causes damage—arable land, semi-natural vegetation, urban areas, or along linear infrastructures. A range of management methods is reviewed, including agrotechnical, mechanical, physical, thermal, biological, and chemical approaches. Particular attention is given to the spread of herbicide resistance and the need for diversified, habitat-specific interventions. Among biological control options, the potential of Ophraella communa LeSage, a leaf beetle native to North America, is highlighted. Furthermore, innovative technologies such as UAV-assisted weed mapping, site-specific herbicide application, and autonomous weeding robots are discussed as environmentally sustainable tools. The role of legal regulations and pollen monitoring networks—particularly those implemented in Hungary—is also emphasized. By combining traditional and advanced methods within a coordinated framework, effective and ecologically sound ragweed control can be achieved. Full article

(This article belongs to the Section Weed Science and Weed Management)

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18 pages, 2083 KB

Open AccessEditor’s ChoiceArticle

Quantification of Microplastics in Urban Compost-Amended Farmland Soil Using an Elutriation Device

by Luigi Paolo D’Acqui, Sara Di Lonardo, Martina Grattacaso, Alessandra Bonetti and Ottorino-Luca Pantani

Agronomy 2025, 15(7), 1736; https://doi.org/10.3390/agronomy15071736 - 18 Jul 2025

Viewed by 746

Abstract

Microplastics (MPs) present in farmland soils, where urban compost has been distributed since 2005, were extracted using a device based on elutriation, a method developed for marine sediments but not yet used in soil. Since (i) fine earth (diameter < 2 mm) is [...] Read more.

Microplastics (MPs) present in farmland soils, where urban compost has been distributed since 2005, were extracted using a device based on elutriation, a method developed for marine sediments but not yet used in soil. Since (i) fine earth (diameter < 2 mm) is the standard fraction used for soil analysis and (ii) the size of MPs contained in urban compost may exceed that value, MP were recovered from both the entire soil and fine earth. The recovered MPs pieces were weighed, counted, and characterized using FTIR photoacoustic spectroscopy (FTIR-PAS). Both the mass and number of recovered MPs pieces (>34 µm) were comparable to those reported in the literature for soils. Polystyrene, polyethylene, and polypropylene are the primary polymers. Nevertheless, some issues were highlighted: (i) the importance of sampling the soil by volume, and (ii) the need of analyzing the entire soil sample rather than just the fraction below 2 mm, commonly used in soil analysis; (iii) the necessity of breaking up (i.e., by ultrasonication and/or dispersion) soil aggregates that may withstand the elutriation process. Full article

(This article belongs to the Section Agroecology Innovation: Achieving System Resilience)

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13 pages, 266 KB

Open AccessEditor’s ChoiceArticle

Influence of Virginia Market-Type Cultivar and Fungicide Regime on Leaf Spot Disease and Peanut Yield in North Carolina

by Ethan Foote, David Jordan, LeAnn Lux, Jeffrey Dunne and Adrienne Gorny

Agronomy 2025, 15(7), 1731; https://doi.org/10.3390/agronomy15071731 - 18 Jul 2025

Viewed by 639

Abstract

Determining the effectiveness of fungicide programs based on cultivar resistance to pathogens, especially late leaf spot (caused by Nothopassalora personata (Berk. & M.A. Curtis) [U. Braun, C. Nakash., Videira & Crous]) is important in establishing recommendations to peanut (Arachis hypogaea L.) farmers. [...] Read more.

Determining the effectiveness of fungicide programs based on cultivar resistance to pathogens, especially late leaf spot (caused by Nothopassalora personata (Berk. & M.A. Curtis) [U. Braun, C. Nakash., Videira & Crous]) is important in establishing recommendations to peanut (Arachis hypogaea L.) farmers. Research was conducted in North Carolina during 2021 and 2022 at three locations to compare the incidence of late leaf spot (e.g., visual estimates of percent of peanut leaflets with lesions), percentage of the peanut canopy defoliated caused by this disease, and yield of the peanut cultivars Bailey II, Emery, and Sullivan when exposed to five fungicide regimens including a non-treated control. Peanut yield was not affected by the interaction of cultivar × fungicide regimens. While differences in leaf spot incidence and canopy defoliation were noted for cultivars, these differences did not translate into differences in peanut yield. All fungicides regimens protected peanut yield from leaf spot disease regardless of the number of sprays during the cropping cycle (e.g., three, four, or five sprays). Peanut yield in the absence of fungicides was 4410 kg/ha compared with a range of 5000 to 5390 kg/ha when fungicides were applied. Peanut yield was greater when fungicides were applied four or five times compared with only three sprays or non-treated peanut. The regimen with five consecutive sprays of chlorothalonil alone for the first and final spray in the regimen and when this fungicide was applied with tebuconazole for the second, third, and fourth sprays was as effective as fungicide regimens including combinations of pydiflumetofen plus azoxystrobin plus benzovindiflupyr, mefentrifluconazole plus pyraclostrobin plus fluxapyroxad, bixafen plus flutriafol, and prothioconazole plus tebuconazole. Full article

(This article belongs to the Special Issue Environmentally Friendly Ways to Control Plant Disease)

21 pages, 1723 KB

Open AccessEditor’s ChoiceArticle

Variation in Leaf Morphology and Agronomic Attributes of a Naturalized Population of Medicago polymorpha L. (Burr Medic) from New South Wales, Australia, and Relationships with Climate and Soil Characteristics

by David L. Lloyd, John P. Thompson, Rick R. Young, Suzanne P. Boschma and Mark O’Neill

Agronomy 2025, 15(7), 1737; https://doi.org/10.3390/agronomy15071737 - 18 Jul 2025

Viewed by 597

Abstract

As one component of a study to improve Medicago spp. germplasm in eastern Australia, fifteen phenotypic and agronomic attributes were recorded for 4715 plants grown from the seed of 90 accessions of the widely naturalized pasture legume Medicago polymorpha from 90 sites in [...] Read more.

As one component of a study to improve Medicago spp. germplasm in eastern Australia, fifteen phenotypic and agronomic attributes were recorded for 4715 plants grown from the seed of 90 accessions of the widely naturalized pasture legume Medicago polymorpha from 90 sites in eight regions of inland New South Wales. The species expressed wide polymorphism. However, many leaflet attributes were associated with specific climate and soil characteristics, which varied from east to west across the collection zone. Discriminant analysis showed that accessions from the four most northern (summer dominant rainfall) and western (arid–semiarid) regions (Group A) differed from accessions from the most southern, temperate (winter dominant rainfall) and eastern (higher rainfall) regions (Group B). Group A flowered earlier and had shorter pod spines. Group B had lower plant vigor. Regions from which Group A accessions were collected had higher soil pH, lower winter rainfall, and higher minimum winter temperature than Group B regions. The diversity in the population, particularly the difference in flowering times among accessions collected from drier, warmer regions and those from more mesic, cooler regions, and the wide variation in flowering time measured among plants grown from accessions within all collection regions, is likely to ensure the long-term persistence of M. polymorpha in a changing climate. Elite lines were subsequently identified and lodged in National and International Genebanks for future research. Full article

(This article belongs to the Section Grassland and Pasture Science)

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16 pages, 6578 KB

Open AccessEditor’s ChoiceArticle

Effect of Planting Density and Harvesting Age on Iris pallida Lam. Biomass, Morphology and Orris Concrete Production

by Enrico Palchetti, Lorenzo Brilli, Gloria Padovan, Gregorio Mariani, Lorenzo Marini and Michele Moretta

Agronomy 2025, 15(7), 1719; https://doi.org/10.3390/agronomy15071719 - 17 Jul 2025

Cited by 1 | Viewed by 1124

Abstract

The Iridaceae family comprises approximately 1800 species, including Iris pallida Lam., which is widely recognized for its ornamental and aromatic properties and particularly adopted in the perfume industry. In this study, we evaluated the effects of planting density and maturity age on biomass [...] Read more.

The Iridaceae family comprises approximately 1800 species, including Iris pallida Lam., which is widely recognized for its ornamental and aromatic properties and particularly adopted in the perfume industry. In this study, we evaluated the effects of planting density and maturity age on biomass production, morphological traits, rhizome biomass, and orris concrete yield in Iris pallida grown in Tuscany (Italy). The experiment consisted of four agricultural parcels, each one containing six plots arranged to test combinations of two planting densities (low density [LD], 8 plants/m² and high density [HD], 15 plants/m²) and harvesting age (2, 3, and 4 years). Results indicated that planting density significantly influenced biomass variables—including rhizome, bud, and stem biomass—with the low planting density (LD) exhibiting higher total biomass (5.48 ± 0.59 kg/m²) compared to that observed under high planting density (HD) (1.82 ± 0.54 kg/m²). Orris concrete yield varied significantly across planting densities and harvesting age, consistently favoring LD (0.055 ± 0.01%) over HD (0.045 ± 0.01%). Also, orris concrete yield showed a positive correlation with floral stem number (r = 0.73, p < 0.001), root biomass (r = 0.66, p < 0.01) and floral stem biomass (r = 0.63, p < 0.01), while no significant correlations were found between orris concrete yield and total biomass or rhizome biomass. A shorter production cycle under low-density planting may improve orris concrete yield without compromising biomass productivity. Full article

(This article belongs to the Section Horticultural and Floricultural Crops)

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13 pages, 1829 KB

Open AccessEditor’s ChoiceArticle

The Use of Clove and Rosemary Plant Extracts Against Colletotrichum acutatum and Botrytis cinerea

by Vytautas Bunevičius, Armina Morkeliūnė, Justina Griauzdaitė, Alma Valiuškaitė and Neringa Rasiukevičiūtė

Agronomy 2025, 15(7), 1728; https://doi.org/10.3390/agronomy15071728 - 17 Jul 2025

Cited by 1 | Viewed by 1256

Abstract

Horticulture and agriculture are facing the challenge of growing healthy and high-quality crops. Plant extracts are currently being widely investigated as an alternative means of plant protection. Interest in these measures has increased in order to reduce the use of chemical pesticides, environmental [...] Read more.

Horticulture and agriculture are facing the challenge of growing healthy and high-quality crops. Plant extracts are currently being widely investigated as an alternative means of plant protection. Interest in these measures has increased in order to reduce the use of chemical pesticides, environmental pollution, and adverse effects on human health. Also, due to the goals of the European Green Deal and the decreasing use of chemical pesticides, it has become essential to look for safer alternatives. The aim of this study was to investigate the inhibitory effect of plant extracts of clove (Syzygium aromaticum L.) and rosemary (Rosmarinus officinalis L.) against Colletotrichum acutatum and Botrytis cinerea plant pathogens and to evaluate fungal pathogens recovery after the exposure to the extract. The plant extracts (PEs) were obtained by subcritical CO₂ extraction. The inhibitory effect of PEs was investigated in vitro at concentrations of 1200, 1600, 2000, 2400, 2800, and 3000 μL/L. Petri dishes were incubated at 25 ± 2 °C, and the mycelial growth of fungal pathogens was evaluated at 2, 4, and 7 days after inoculation (DAI). Reinoculation was then performed. The research showed that both plant extracts had an antifungal effect. However, clove PE was more effective. This allows us to say that plant-based measures can inhibit plant pathogens, but it is essential to determine the optimal concentrations and test them with different pathogens. Full article

(This article belongs to the Special Issue Advancing Sustainable Agriculture: Biopesticides and the Biological Control for Pest Management)

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26 pages, 1676 KB

Open AccessEditor’s ChoiceArticle

Water and Nitrogen Dynamics of Mungbean as a Summer Crop in Temperate Environments

by Sachesh Silwal, Audrey J. Delahunty, Ashley J. Wallace, Sally Norton, Alexis Pang and James G. Nuttall

Agronomy 2025, 15(7), 1711; https://doi.org/10.3390/agronomy15071711 - 16 Jul 2025

Viewed by 1237

Abstract

Mungbean is grown as a summer crop in subtropical climates globally. The global demand for mungbean is increasing, and opportunities exist to expand production regions to more marginal environments, such as southern Australia, as an opportunistic summer crop to help meet the growing [...] Read more.

Mungbean is grown as a summer crop in subtropical climates globally. The global demand for mungbean is increasing, and opportunities exist to expand production regions to more marginal environments, such as southern Australia, as an opportunistic summer crop to help meet the growing global demand. Mungbean has the potential to be an opportunistic summer crop when an appropriate sowing window coincides with sufficient soil water. This expansion from subtropical to temperate climates will pose challenges, including low temperatures, a longer day length and a low and variable water supply. To assess mungbean suitability to temperate, southern Australian summer rainfall patterns and soil water availability, we conducted field experiments applying a range of water treatments across four locations with contrasting rainfall patterns within the state of Victoria (in southern Australia) in 2020–2021 and 2021–2022. The water treatments were applied prior to sowing (60 mm), the vegetative stage (40 mm) and the reproductive stage (40 mm) in a factorial combination at each location. Two commercial cultivars, Celera II-AU and Jade-AU, were used. Water scarcity during flowering and the pod-filling stages were important factors constraining yield. Analysis of yield components showed that increasing water availability at critical growth stages, viz. the vegetative and reproductive stages, of mungbean was associated with increases in total biomass, HI and grain number in addition to increased water use and water use efficiency (WUE). Average WUEs ranged from 1.3 to 7.6 kg·ha⁻¹·mm⁻¹. The maximum potential WUE values were 6.4 and 5.1 kg·ha⁻¹·mm⁻¹ for Celera II-AU and Jade-AU across the sites, with the estimated soil evaporation values (x-intercept) of 83 and 74 mm, respectively. Nitrogen fixation was variable, with %Ndfa values ranging from 9.6 to 76.8%, and was significantly affected by soil water availability. This study emphasises the importance of water availability during the reproductive phase for mungbean yield. The high rainfall zones within Victoria have the potential to grow mungbean as an opportunistic summer crop. Full article

(This article belongs to the Section Innovative Cropping Systems)

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22 pages, 1279 KB

Open AccessEditor’s ChoiceReview

State of the Art of Biomethane Production in the Mediterranean Region

by Antonio Comparetti, Salvatore Ciulla, Carlo Greco, Francesco Santoro and Santo Orlando

Agronomy 2025, 15(7), 1702; https://doi.org/10.3390/agronomy15071702 - 15 Jul 2025

Viewed by 1543

Abstract

The Mediterranean region is increasingly confronted with intersecting environmental, agricultural, and socio-economic challenges, including biowaste accumulation, soil degradation, and high dependency on imported fossil fuels. Biomethane, a renewable substitute for natural gas, offers a strategic solution that aligns with the region’s need for [...] Read more.

The Mediterranean region is increasingly confronted with intersecting environmental, agricultural, and socio-economic challenges, including biowaste accumulation, soil degradation, and high dependency on imported fossil fuels. Biomethane, a renewable substitute for natural gas, offers a strategic solution that aligns with the region’s need for sustainable energy transition and circular resource management. This review examines the current state of biomethane production in the Mediterranean area, with a focus on anaerobic digestion (AD) technologies, feedstock availability, policy drivers, and integration into the circular bioeconomy (CBE) framework. Emphasis is placed on the valorisation of regionally abundant feedstocks such as olive pomace, citrus peel, grape marc, cactus pear (Opuntia ficus-indica) residues, livestock manure, and the Organic Fraction of Municipal Solid Waste (OFMSW). The multifunctionality of AD—producing renewable energy and nutrient-rich digestate—is highlighted for its dual role in reducing greenhouse gas (GHG) emissions and restoring soil health, especially in areas threatened by desertification such as Sicily (Italy), Spain, Malta, and Greece. The review also explores emerging innovations in biogas upgrading, nutrient recovery, and digital monitoring, along with the role of Renewable Energy Directive III (RED III) and national biomethane strategies in scaling up deployment. Case studies and decentralised implementation models underscore the socio-technical feasibility of biomethane systems across rural and insular territories. Despite significant potential, barriers such as feedstock variability, infrastructural gaps, and policy fragmentation remain. The paper concludes with a roadmap for research and policy to advance biomethane as a pillar of Mediterranean climate resilience, energy autonomy and sustainable agriculture within a circular bioeconomy paradigm. Full article

(This article belongs to the Special Issue Recycling of Organic Wastes in Agriculture: Serving for Sustainable Agriculture)

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30 pages, 1496 KB

Open AccessEditor’s ChoiceArticle

Effect of Deficit Irrigation on Agronomic and Physiological Performance of Young Persimmon (Diospyros kaki Thunb.) Trees

by Rossana Porras-Jorge, José Mariano Aguilar, Carlos Baixauli, Bernardo Pascual and Nuria Pascual-Seva

Agronomy 2025, 15(7), 1671; https://doi.org/10.3390/agronomy15071671 - 10 Jul 2025

Viewed by 2121

Abstract

This article addresses the impact of deficit irrigation on the agronomic and physiological performance of “Rojo Brillante” persimmon trees in a Mediterranean climate. It compares the effect of a sustained deficit irrigation (SDI; imposing water deficit uniformly throughout the entire crop cycle) strategy [...] Read more.

This article addresses the impact of deficit irrigation on the agronomic and physiological performance of “Rojo Brillante” persimmon trees in a Mediterranean climate. It compares the effect of a sustained deficit irrigation (SDI; imposing water deficit uniformly throughout the entire crop cycle) strategy and two regulated deficit irrigation (RDI; enforcing a water deficit during the phenological phases that are less sensitive to water stress) strategies. Field trials were conducted from 2022 to 2024 at the Cajamar Experimental Center in Paiporta, Valencia, Spain. The trees respond to mild water stress reducing transpiration through stomatal closure. RDI resulted in modest irrigation water savings (11–16%), minimizing fruit drop, leading to an increased number of fruits per tree and a higher marketable yield, although this came at the cost of a reduced unit fruit weight. SDI achieved a 30% reduction in irrigation water usage without impacting on the marketable yield, but it also caused a decrease in unit fruit weight. RDI increased water productivity (yield obtained per amount of water applied) primarily through higher yields, while SDI improved productivity mainly by lowering the amount of irrigation water applied. Both irrigation strategies are recommended for cultivating “Rojo Brillante” persimmons. RDI is especially advisable in years with lower fruit loads as more intensive thinning may be necessary in years with higher fruit loads. Conversely, SDI is recommended in situations where water availability is limited. Full article

(This article belongs to the Section Water Use and Irrigation)

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19 pages, 1575 KB

Open AccessEditor’s ChoiceArticle

Looking for New P Fertilizers: Comparative Study of Mineral-, Organomineral- and Organic-Based Fertilizers for Lettuce (Lactuca sativa L.)

by Lucía Valverde-Vozmediano, Silvia Sánchez-Méndez, Luciano Orden, Miguel A. Mira-Urios, Francisco Javier Andreu, Jose A. Sáez, Encarnación Martínez-Sabater, María Ángeles Bustamante, Javier Martín-Pozuelo and Raúl Moral

Agronomy 2025, 15(7), 1661; https://doi.org/10.3390/agronomy15071661 - 9 Jul 2025

Cited by 1 | Viewed by 1650

Abstract

In this study several phosphorus fertilizers were evaluated under controlled production conditions using Lactuca sativa var. baby leaf and a clay-loam soil of pH 6.5 as a plant–soil model system. Various inorganic (phosphate rock, monoammonium phosphate, struvite), organic (bone meal and bone meal [...] Read more.

In this study several phosphorus fertilizers were evaluated under controlled production conditions using Lactuca sativa var. baby leaf and a clay-loam soil of pH 6.5 as a plant–soil model system. Various inorganic (phosphate rock, monoammonium phosphate, struvite), organic (bone meal and bone meal pelletized with compost) and organomineral fertilizers (phosphate rock, monoammonium phosphate, struvite pelletized with compost) were compared. The soil properties, crop yield, morphological aspects and metabolomics of the plants were analyzed. After 45 days of the growing cycle, the organomineral fertilizers (OMFs) composed of compost and monoammonium phosphate (OMF₂(MAP+C)) or struvite (OMF₃(STR+C)) exhibited the best yield results: 101.37 g and 83.21 g, respectively. These treatments also exhibited the best phosphorus use efficiency (PUE) results: 7.40% and 8.33%, respectively. The yield of plants treated with MAP was 56.01 g, and its PUE was 5.33%. The yield of plants treated with STR was 62.10 g and the PUE was 4.67%. Accordingly, the development of OMFs with compost had a positive effect regarding MAP and STR fertilization. Lettuce fertilized with organic bone meal fertilizers had the lowest yield and nutrient use efficiency. The non-targeted metabolic study of green tissue revealed an overactivation of the TriCarboxylic Acids-TCA cycle and amino acid biosynthesis in plants fertilized with bone meal and phosphate rock treatments, likely as a plant stress response. The overall conclusion of this work is that the development of OMFs with compost is a good strategy to increase soil P availability and, accordingly, plant P uptake and %PUE. Full article

(This article belongs to the Section Soil and Plant Nutrition)

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30 pages, 1501 KB

Open AccessEditor’s ChoiceArticle

Comprehensive Assessment of PeriodiCT Model for Canopy Temperature Forecasting

by Quanxi Shao, Rose Roche, Hiz Jamali, Chris Nunn, Bangyou Zheng, Huidong Jin, Scott C. Chapman and Michael Bange

Agronomy 2025, 15(7), 1665; https://doi.org/10.3390/agronomy15071665 - 9 Jul 2025

Viewed by 755

Abstract

Canopy temperature is an important indicator of plants’ water status. The so-called PeriodiCT model was developed to forecast canopy temperature using ambient weather variables, providing a powerful tool for planning crop irrigation scheduling. As this model requires observed data in its parameter training [...] Read more.

Canopy temperature is an important indicator of plants’ water status. The so-called PeriodiCT model was developed to forecast canopy temperature using ambient weather variables, providing a powerful tool for planning crop irrigation scheduling. As this model requires observed data in its parameter training before implementing the forecast, it is important to understand the data requirements in the model training such that accurate forecasts are attained. In this work, we conduct a comprehensive assessment of the PeriodiCT model in terms of sample size requirement and predictabilities across sensors in a field and across seasons for the full model and sub-models. The results show that (1) 5 days’ observations are sufficient for the full model and sub-models to achieve very high predictability, with a minimum coefficient of efficiency of 0.844 for the full model and 0.840 for the sub-model using only air temperature. The predictability decreases in the following order: full model, sub-model without radiation S, with air temperature Ta and vapor pressure VP, and with only Ta. The predictions perform reasonably well even when only one day’s observations are used. (2) The predictability into the future is very stable as the prediction steps increase. (3) The predictabilities of the full and sub-models when using a trained model from one sensor for another sensor perform comparatively well, with a minimum coefficient of efficiency of 0.719 for the full model and 0.635 for the sub-model using only air temperature. (4) The predictabilities of the sub-models without solar radiation when using trained models from one season for another season perform comparatively well, with a minimum coefficient of efficiency of 0.866 for the full model and 0.764 for the sub-model using only air temperature, although the cross-season performances are not as good as the cross-sensor performances. The importance of the predictors is in the order of air temperature, vapor pressure, wind speed, and solar radiation, while vapor pressure and wind speed have similar contributions, and solar radiation has only a marginal contribution. Full article

(This article belongs to the Section Water Use and Irrigation)

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15 pages, 3303 KB

Open AccessEditor’s ChoiceArticle

Modelling Flight Activity of Aphids in Seed Potatoes Using Suction Trap and Yellow Water Trap for Risk Assessment of Virus Diseases

by Frantisek Kocourek, Ondrej Douda, Jitka Stara, Svatopluk Rychly, David Fryc, Petr Dolezal, Ervin Hausvater and Anna Sedova

Agronomy 2025, 15(7), 1656; https://doi.org/10.3390/agronomy15071656 - 8 Jul 2025

Viewed by 882

Abstract

Insecticides are mainly used to control aphids as they are potatoes’ main vectors of viruses. This study analysed the flight activity of Myzus persicae, Phorodon humuli, and Aphis nasturtii from a suction trap over 22 years (2002–2024). We also analysed the [...] Read more.

Insecticides are mainly used to control aphids as they are potatoes’ main vectors of viruses. This study analysed the flight activity of Myzus persicae, Phorodon humuli, and Aphis nasturtii from a suction trap over 22 years (2002–2024). We also analysed the flight activity of seven aphid species, vectors of viruses from the yellow water trap over 6 years (2019–2024). The number of catches of aphids in the suction trap was higher in 2014–2024 than in 2002–2013: for M. persicae, 4.2-fold, P. humuli 2.1-fold, and A. nastrurtii, 1.9-fold. A statistically significant correlation between mean temperature per year and total capture of M. persicae per year in the suction trap was found. The analysis showed no relationship between the abundance of M. persicae and P. humuli from the suction trap in spring and the abundance in the yellow water trap in the potato field. The dominant aphid species in the yellow water trap were M. persicae, Brevicoryne brassicae, and Aphis fabae. Regression analysis showed no direct relationship between aphid abundance in the yellow water trap over the period of 2019–2024 and seedling recruitment. Potato aphid control options are discussed concerning the flight activity and specific life cycles of each aphid species. Full article

(This article belongs to the Section Pest and Disease Management)

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19 pages, 9996 KB

Open AccessEditor’s ChoiceArticle

Plant Traits in Spring and Winter Canola Genotypes Under Salinity

by Rajan Shrestha, Qingwu Xue, Andrea Leiva Soto, Girisha Ganjegunte, Santosh Subhash Palmate, Vijayasatya N. Chaganti, Saurav Kumar, April L. Ulery and Samuel Zapata

Agronomy 2025, 15(7), 1657; https://doi.org/10.3390/agronomy15071657 - 8 Jul 2025

Viewed by 770

Abstract

Concerning rising salinity and declining freshwater supply in the U.S. Southern Great Plains, alternative crop production choices using marginal saline irrigation water are irresistible. The study investigated plant traits related to salt tolerance in greenhouse canola (Brassica napus L.) in 2022 and [...] Read more.

Concerning rising salinity and declining freshwater supply in the U.S. Southern Great Plains, alternative crop production choices using marginal saline irrigation water are irresistible. The study investigated plant traits related to salt tolerance in greenhouse canola (Brassica napus L.) in 2022 and 2023. Spring and winter canola, including ten genotypes each, were evaluated at six salinity levels (0; control, 2, 4, 6, 8, and 8 dS m⁻¹ EC). Plant height, stem mass, leaf area, and specific leaf area (SLA) showed a negative linear response, while quadratic relationships were observed in biomass and leaf mass with increased salinity levels. Substantial negative salinity impacts on plant traits occurred at ≥6 dS m⁻¹ EC (p ≤ 0.01) except for SLA. Overall, winter canola genotypes: Athena, Ericka, CP320WRR, CP115W, and CP225WRR, and spring genotypes: Empire, Monarch, Profit, and Westar, were relatively more salt-tolerant than others. Spring canola showed greater salinity tolerance than winter canola. Salinity stress resulted in differential responses of greater leaf mass in winter canola but more efficient leaf area production in spring canola. SLA and stem mass were highly correlated with most parameters. Findings indicate SLA and stem mass are potential salt tolerance traits in canola and warrant further investigations and validation. Full article

(This article belongs to the Section Crop Breeding and Genetics)

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18 pages, 1870 KB

Open AccessEditor’s ChoiceArticle

Flowering and Morphology Responses of Greenhouse Ornamentals to End-of-Day Blue-Dominant Lighting with Different Phytochrome Photostationary States

by Yun Kong, Qingming Li, David Llewellyn and Youbin Zheng

Agronomy 2025, 15(7), 1649; https://doi.org/10.3390/agronomy15071649 - 7 Jul 2025

Viewed by 1120

Abstract

To investigate whether blue-dominant spectra from end-of-day (EOD) lighting can regulate crop morphological and flowering responses, chrysanthemum (Chrysanthemum × morifolium; obligate short day), geranium (Pelargonium × hortorum; day neutral), calibrachoa (Calibrachoa × hybrida; facultative long day), and gerbera ( [...] Read more.

To investigate whether blue-dominant spectra from end-of-day (EOD) lighting can regulate crop morphological and flowering responses, chrysanthemum (Chrysanthemum × morifolium; obligate short day), geranium (Pelargonium × hortorum; day neutral), calibrachoa (Calibrachoa × hybrida; facultative long day), and gerbera (Gerbera jamesonii; facultative short day) plants were grown under different light-emitting diode (LED) spectrum treatments from January to April 2020, in Guelph, Canada. The spectrum treatments were (1) no EOD lighting, (2) narrowband blue from LEDs (B), (3) a combination of narrowband blue, red, and far-red LEDs with a photon flux ratio of 47:3:1 (blue:red:far-red; BRFR). The B and BRFR treatments ran daily from 0.5 h to 4.5 h after dusk. Compared to the control without EOD lighting, chrysanthemum flower initiation was completely inhibited under BRFR. Flowering time was slightly delayed, but flower bud number increased under B. Side branch number, leaf area, and main stem length and diameter increased under B and BRFR. In the geranium B and BRFR did not affect flowering, but increased side branch number and length and diameter of the main stem. Both spectrum treatments promoted earlier flowering in the calibrachoa, but BRFR produced more flower buds. The calibrachoa aerial dry biomass and main stem length increased under B and BRFR. The gerbera leaf chlorophyll index and leaf thickness increased under BRFR. Both spectrum treatments increased the gerbera flower bud size, despite having little effect on flowering time. In all species, at least one of the LED treatments increased canopy size. Therefore, low levels of B or BRFR can be potentially used for EOD lighting to regulate the flowering and morphology of potted ornamentals. Full article

(This article belongs to the Special Issue Mechanism of Flower Growth in Ornamental Plants: From Floral Induction to Development)

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13 pages, 537 KB

Open AccessEditor’s ChoiceArticle

Phenolic Profiles of Different Apricot Varieties Grown in Spain: Discrimination Among Cultivars During the Harvest Season

by Julia Morales, Helena Gómez-Martínez and Almudena Bermejo

Agronomy 2025, 15(7), 1652; https://doi.org/10.3390/agronomy15071652 - 7 Jul 2025

Cited by 1 | Viewed by 949

Abstract

Apricot is one of the most important Mediterranean fruits with high diversity and fruit quality properties, being an excellent raw material for polyphenol compounds. This study aimed to determine the anthocyanin, quercetin glycoside and phenolic acid contents in new apricot genotypes from the [...] Read more.

Apricot is one of the most important Mediterranean fruits with high diversity and fruit quality properties, being an excellent raw material for polyphenol compounds. This study aimed to determine the anthocyanin, quercetin glycoside and phenolic acid contents in new apricot genotypes from the breeding program at the Instituto Valenciano de Investigaciones Agrarias, confirming the potential of the ‘Goldrich’ cultivar to be a parental donor for increasing the antioxidant content, which would, in turn, enhance fruit quality. Phenolic composition of the apricot accessions is strongly genotype-dependent, with the concentrations of overall total phenolic compounds ranging from 770 to 260 mg 100 g⁻¹ DW, reflecting significant genetic diversity. ‘Goldrich’ contributed to the polyphenol content; however, its influence varied across derived varieties, with ‘GG9310’ and ‘GG979’ enhancing the shikimic acid pathway and accumulating high levels of total phenolics. In contrast, ‘Mitger’ and ‘HG9850’ stood out for high anthocyanin synthesis, despite their lower levels of flavonols and phenolic acids. The predominant anthocyanin was cyanidin-3-O-rutinoside, followed by cyanidin-3-O-glucoside and peonidin-3-O-rutinoside in smaller amounts. Other phenolics were rutin and quercetin-3-O-glucuronide, as well as neochlorogenic and chlorogenic acids. The PCA model was applied to all data to identify the most attractive cultivars, and chromatographic analysis was performed in a short time using Ultra-High-Performance Liquid Chromatography (UHPLC) with diode array and mass spectrometric detection. Apricot peel is an excellent source of nutraceutical compounds with a chemical composition strongly determined by the cultivar. Results can help establish authenticity markers for apricot cultivars. Full article

(This article belongs to the Section Plant-Crop Biology and Biochemistry)

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16 pages, 792 KB

Open AccessEditor’s ChoiceArticle

Measuring the Sustainability of Nitrogen Fertilization in EU Agriculture: A New Index-Based Assessment in the Context of Sustainable Intensification

by Magdalena Szymańska, Piotr Sulewski, Adam Wąs and Tomasz Sosulski

Agronomy 2025, 15(7), 1643; https://doi.org/10.3390/agronomy15071643 - 6 Jul 2025

Viewed by 1442

Abstract

This study comprehensively evaluated nitrogen (N) management in 27 European countries from 1990 to 2021, utilizing the FAO and LUCAS databases. The EU countries were categorized into four groups based on their agricultural production intensities: low (L), medium–low (ML), medium–high (MH), and high [...] Read more.

This study comprehensively evaluated nitrogen (N) management in 27 European countries from 1990 to 2021, utilizing the FAO and LUCAS databases. The EU countries were categorized into four groups based on their agricultural production intensities: low (L), medium–low (ML), medium–high (MH), and high (H). Additionally, a new Sustainable Nitrogen Management Indicator (SNMI) has been introduced to measure the sustainability of agricultural production. The analyses reveal significant variation in nitrogen fertilization intensity among EU countries, which correlates with differences in yield levels. Generally, higher fertilization leads to higher nutrient loss; however, the nitrogen losses per unit of yield show only minor differences between high- and low-intensity countries. From 1990 to 2021, a general improvement was observed in nitrogen management across all groups, as evidenced by a significant decline in the SNMI, indicating that agricultural production has become more sustainable. Notably, low-intensity countries showed the most significant improvement, with increased nitrogen input per hectare since the 1990s, demonstrating that moderate fertilization can enhance N use efficiency. In contrast, high-intensity countries saw decreased nitrogen inputs but still improved SNMI. These trends support the idea of sustainable intensification. The multidimensional SNMI comprehensively assesses eco-efficiency by highlighting environmental threats and production benefits. This paper demonstrates that SNMI is robust and easy to calculate using available datasets, and it can be implemented to assess nitrogen management efficiency at various scales. Full article

(This article belongs to the Special Issue Safe and Efficient Utilization of Water and Fertilizer in Crops)

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20 pages, 2498 KB

Open AccessEditor’s ChoiceArticle

Supplementary Light and Retardant Application During the Rooting Stage Improve the Final Performances of Petunia and Calibrachoa Plants

by Bożena Szewczyk-Taranek, Iwona Domagała-Świątkiewicz, Anna Kapczyńska, Paweł Marcinkowski and Bożena Pawłowska

Agronomy 2025, 15(7), 1644; https://doi.org/10.3390/agronomy15071644 - 6 Jul 2025

Cited by 1 | Viewed by 710

Abstract

The efficient production of high-quality bedding plants is essential for greenhouse growers aiming to meet market demands while minimising costs. This study investigated the effects of supplemental lighting (prolonged photoperiod) and retardant treatments on the growth, development, mineral composition, and flowering of vegetatively [...] Read more.

The efficient production of high-quality bedding plants is essential for greenhouse growers aiming to meet market demands while minimising costs. This study investigated the effects of supplemental lighting (prolonged photoperiod) and retardant treatments on the growth, development, mineral composition, and flowering of vegetatively propagated Petunia × atkinsiana (Surfinia^® ‘Lime’ and ‘Purple’) and Calibrachoa × hybrida (Superbells^® ‘Unique Red’ and ‘Unique Golden Yellow’) cultivars. The plants were subjected to extended lighting for up to 16 h during the rooting phase and treated with or without a growth retardant. The supplemental light significantly accelerated the flowering, improved the shoot branching, and enhanced the mineral nutrient accumulation, particularly of calcium, sulphur, and magnesium. The illuminated plants also exhibited higher chlorophyll content and more favourable dry-mass accumulation. The growth retardants reduced the plant height and concentrations of nitrogen, phosphorus, and potassium but increased the calcium and magnesium contents. The combination of lighting and growth regulation optimised the plant morphology and nutritional status, producing compact, well-branched plants with enhanced visual appeal. Earlier flowering of illuminated plants is valuable from a commercial perspective, allowing earlier selling and improved product marketability. These findings confirm the synergistic benefits of early photoperiod control and chemical growth regulation in enhancing the commercial quality and sustainability of bedding plant production. Full article

(This article belongs to the Section Horticultural and Floricultural Crops)

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10 pages, 3322 KB

Open AccessEditor’s ChoiceArticle

Adequate Irrigation Amount per Application Is Required to Secure Uniform Water Management in Drip Irrigation Systems

by Sooeon Lee, Lynne Seymour and Jongyun Kim

Agronomy 2025, 15(7), 1639; https://doi.org/10.3390/agronomy15071639 - 5 Jul 2025

Cited by 1 | Viewed by 1164

Abstract

Soil moisture sensor-based drip irrigation enables efficient irrigation practices by delivering the required water to plants. However, efficiency must be accompanied by uniform water management and crop growth. This study examined the effect of different irrigation amounts (IAs) per application (5.5, 55, 110, [...] Read more.

Soil moisture sensor-based drip irrigation enables efficient irrigation practices by delivering the required water to plants. However, efficiency must be accompanied by uniform water management and crop growth. This study examined the effect of different irrigation amounts (IAs) per application (5.5, 55, 110, and 165 mL) on the uniformity of substrate volumetric water content (VWC) within an irrigation plot, and the corresponding effect on sweet basil growth uniformity. Sixty-four frequency domain reflectometry sensors monitored the VWC of each 440 mL pot, and drip irrigation was automatically applied at 0.3 m³·m⁻³. The 5.5 mL IA showed the highest water use efficiency; however, it also resulted in considerable non-uniform VWC (coefficient of variation, CV = 0.404). In contrast, the 110 and 165 mL IAs provided better VWC uniformity (CV = 0.073 and 0.075, respectively), suggesting that less frequent, but larger IAs improved VWC uniformity. Despite the differences in VWC uniformity among treatments, the growth and physiological responses were quite similar across the treatments. It was found that supplying 110 mL irrigation water via the soil moisture sensor-based drip irrigation system to sweet basil plants in 440 mL pots is optimal for achieving both water use efficiency and VWC uniformity. Full article

(This article belongs to the Section Water Use and Irrigation)

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15 pages, 1253 KB

Open AccessEditor’s ChoiceArticle

Laboratory Optimization of Poultry Feather Hydrolysate Application for Soil Fertility: Effects of Soil Texture and Hydrolysate State and Addition Rate

by Aditi Roy and Veronika Jílková

Agronomy 2025, 15(7), 1638; https://doi.org/10.3390/agronomy15071638 - 5 Jul 2025

Cited by 1 | Viewed by 869

Abstract

The application of soil organic amendments is a well-established approach to enhancing soil fertility; yet the effects of poultry feather hydrolysate (PFH) on temperate coarse-textured agricultural soils remain underexplored. A six-month microcosm experiment was conducted to determine the effects of PFH in different [...] Read more.

The application of soil organic amendments is a well-established approach to enhancing soil fertility; yet the effects of poultry feather hydrolysate (PFH) on temperate coarse-textured agricultural soils remain underexplored. A six-month microcosm experiment was conducted to determine the effects of PFH in different states (liquid or solid) and addition rates (none, low, or high; i.e., 0, 4, or 8 t dw ha⁻¹, respectively) on microbial activity, nutrient availability and retention, and organic matter (OM) stabilization in two coarse-textured soils (loamy sand or sandy loam). Sandy loam soil exhibited a stronger response to PFH application, supporting 20% higher microbial activity, 35% higher nutrient retention, and 89% higher OM content in soil aggregates compared to loamy sand soil, reflecting enhanced OM stabilization. Moreover, PFH in the liquid state demonstrated more prolonged microbial activity and more sustained release of nutrients compared to the solid state. Finally, at the end of incubation, the high addition rate of PFH significantly increased soil nutrient content by 106%, while the low addition rate limited the increase to 39%, both compared to the no addition rate. Overall, the results suggest that PFH, particularly in the liquid state and at the high addition rate, serves as an effective soil organic amendment, enhancing microbial activity and soil fertility while emphasizing the importance of soil texture in optimizing its application. Full article

(This article belongs to the Section Farming Sustainability)

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17 pages, 4162 KB

Open AccessEditor’s ChoiceArticle

Silver Nanoparticles Embedded in Sodium Alginate: Antibacterial Efficacy and Effects on Red Cabbage Seedling Performance

by Miłosz Rutkowski, Wojciech Makowski, Lidia Krzemińska-Fiedorowicz, Karen Khachatryan, Andrzej Kalisz, Dagmara Malina, Jarosław Chwastowski, Zbigniew Wzorek, Gohar Khachatryan, Agnieszka Sękara and Anna Kołton

Agronomy 2025, 15(7), 1640; https://doi.org/10.3390/agronomy15071640 - 5 Jul 2025

Viewed by 1132

Abstract

Innovative plant protection solutions are increasingly sought in modern agriculture. Rapid advances in nanotechnology offer promising opportunities to develop biodegradable, cost-effective composites containing silver nanoparticles (AgNPs) with well-documented antimicrobial properties. The aim of this study was to synthesize sodium alginate gels containing AgNPs, [...] Read more.

Innovative plant protection solutions are increasingly sought in modern agriculture. Rapid advances in nanotechnology offer promising opportunities to develop biodegradable, cost-effective composites containing silver nanoparticles (AgNPs) with well-documented antimicrobial properties. The aim of this study was to synthesize sodium alginate gels containing AgNPs, evaluate their physicochemical and antibacterial properties, and assess their effect on the growth of red cabbage (Brassica oleracea var. capitata f. rubra) seedlings. In accordance with the principles of green chemistry, AgNPs were chemically synthesized using sodium alginate as a stabilizer and fructose as a non-toxic reducing agent. The final composite contained 150 mg/L AgNPs and was diluted to 20 and 60 mg/L for biological tests. Antibacterial activity against Bacillus cereus, Enterococcus faecalis, Escherichia coli, and Pseudomonas aeruginosa was tested using agar diffusion assays. Seedling growth parameters and phytochemical content were assessed after 10 days of seedlings exposure to AgNPs. The results showed significant antibacterial activity in all tested strains. Crucially, neither AgNPs concentration negatively affected seedling development or phytochemical concentration. Application of AgNPs at concentration of 60 mg/L increased ascorbic acid and carotenoids content in comparison to control (deionized water). These results suggest that AgNPs-alginate composites may serve as sustainable antimicrobial agents in agriculture, inhibiting pathogens without compromising crop quality. Full article

(This article belongs to the Special Issue Application of Nanomaterials for Diseases and Pest Control in Agriculture)

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11 pages, 2183 KB

Open AccessEditor’s ChoiceArticle

Effects of Light Supplementation on Lettuce Growth, Yield, and Water Use During Winter Season in North Mississippi

by Ibukun T. Ayankojo, Thomas Horgan and Jeff Wilson

Agronomy 2025, 15(7), 1635; https://doi.org/10.3390/agronomy15071635 - 4 Jul 2025

Viewed by 2088

Abstract

Most vegetable crop production in Mississippi (MS) occurs during the summer, characterized by high temperature and relative humidity. Lettuce yield and harvest quality are significantly affected by heat stress. To avoid the heat stress of the summer months, lettuce production in MS is [...] Read more.

Most vegetable crop production in Mississippi (MS) occurs during the summer, characterized by high temperature and relative humidity. Lettuce yield and harvest quality are significantly affected by heat stress. To avoid the heat stress of the summer months, lettuce production in MS is either produced in controlled environments or during the winter months with cooler temperatures. This period, however, coincides with months with low solar radiation and shorter day length, resulting in a longer growing season and poor harvest quality. Therefore, this study was conducted to determine the optimum duration of light supplement on the growth, yield, and water use of greenhouse (GH) lettuce during the winter season in north Mississippi. In this study, three daily supplemental light duration regimes, 0 h, 4 h, and 8 h, starting at sunset, were evaluated across two lettuce cultivars, Green Forest (GF) and Ruby (RB). The study indicated that supplemental lighting significantly increased lettuce growth, yield, and water use. Although day length extension from 4 to 8 h of supplemental light had no yield benefits on the RB cultivar, extending day length from 4 to 8 h increased GF yield by 42%. It was also observed that the effects of light supplementation during low natural light quality at early or later growth stages differ between cultivars. Based on the results obtained from this study, a 4 h and 8 h post-sunset light supplementation is considered optimum for RB and GF lettuce cultivars, respectively, during the winter growing season in MS. Full article

(This article belongs to the Section Horticultural and Floricultural Crops)

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20 pages, 3098 KB

Open AccessEditor’s ChoiceArticle

Exploring Coffee Silverskin as a Sustainable Peat Additive in the Plant Nursery Production

by Natalia Miler, Piotr Wojewódzki, Anita Woźny, Dominika Rymarz and Agnieszka Gołębiewska

Agronomy 2025, 15(7), 1633; https://doi.org/10.3390/agronomy15071633 - 4 Jul 2025

Cited by 2 | Viewed by 859

Abstract

Sustainable alternatives to peat in horticultural substrates are increasingly sought. This study assessed the use of coffee silverskin (CS), a byproduct of coffee roasting, as a substrate component for rooting and growing ornamental plants—Buddleja, Lythrum, and Veronica. Plants were [...] Read more.

Sustainable alternatives to peat in horticultural substrates are increasingly sought. This study assessed the use of coffee silverskin (CS), a byproduct of coffee roasting, as a substrate component for rooting and growing ornamental plants—Buddleja, Lythrum, and Veronica. Plants were cultivated in peat-based substrates with 0%, 25%, 50%, and 75% CS addition. In order to determine the effect of substrate modification with CS, the following parameters were analyzed: rooting efficiency, plant growth, pigment content, physiological indices (SPAD, Fv/Fm, NFI), and substrate properties. A 25% CS addition supported high rooting success (94.4% on average) without negatively affecting root or shoot traits, and even improved flowering earliness. At 50% CS, Buddleja showed moderate tolerance, while Lythrum and Veronica performed poorly. The substrate with 75% CS addition significantly reduced rooting and growth across all species. Elevated pH and electrical conductivity in high-CS substrates likely contributed to plant stress. Physiological indicators confirmed minimal stress at 25% CS, but increased stress response at 75%. Overall, CS can replace up to 25% of peat in substrates without compromising plant performance, offering a sustainable alternative in nursery production. However, higher CS levels require structural or chemical adjustments to reduce compaction and stress effects. Further research is needed to improve CS-based substrate formulations for broader horticultural use. Full article

(This article belongs to the Section Horticultural and Floricultural Crops)

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15 pages, 1680 KB

Open AccessEditor’s ChoiceArticle

Thermal Tolerance and Host Plant Suitability of Bemisia tabaci MED (Gennadius) in Brazilian Legume Crops

by Daniel de Lima Alvarez, Rafael Hayashida, Daniel Mariano Santos, Felipe Barreto da Silva, Cristiane Müller, Renate Krause-Sakate, William Wyatt Hoback and Regiane Cristina de Oliveira

Agronomy 2025, 15(7), 1622; https://doi.org/10.3390/agronomy15071622 - 3 Jul 2025

Viewed by 1321

Abstract

The whitefly, Bemisia tabaci, is a complex of cryptic species that is a significant pest of different legume hosts that inhabits various regions worldwide with diverse climates and characteristics. Its adaptability is often facilitated by the insect’s microbiome, which can contribute to both [...] Read more.

The whitefly, Bemisia tabaci, is a complex of cryptic species that is a significant pest of different legume hosts that inhabits various regions worldwide with diverse climates and characteristics. Its adaptability is often facilitated by the insect’s microbiome, which can contribute to both the metabolism of host plant secondary compounds and insecticide resistance. The most relevant biotypes in Brazil are Middle East-Asia Minor 1 (MEAM1) and Mediterranean (MED), because of their ability to damage different hosts. Although MEAM1 is the prevalent species in Brazil, MED has great potential to spread, and there is little current knowledge about the biology of this biotype in the country. Therefore, the objective of this study was to evaluate the development and viability of MED on two legumes, soybean and common bean, alongside cotton, bell pepper, and tomato, at temperatures of 20 °C, 23 °C, 26 °C, 29 °C, 32 °C, and 35 °C and characterize the composition of its endosymbionts. Temperatures between 23 °C and 32 °C were the most suitable for B. tabaci MED development and viability across all tested host plants, whereas 35 °C proved harmful for insects reared on legumes. We observed a temperature threshold (°C) and thermal constant (degree-days) that varied according to the host plant, ranging from 9.81 °C and 384.62 for soybean to 11.17 °C and 333.33 for bell pepper, respectively. The main endosymbionts were in a ratio of 80% Hamiltonella and 20% Cardinium. These results allow the future mapping of risk for the MED biotype on different host plants in Brazil and elsewhere in South America. Full article

(This article belongs to the Special Issue Recent Advances in Legume Crop Protection)

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12 pages, 2724 KB

Open AccessEditor’s ChoiceArticle

Growth, Spectral Vegetation Indices, and Nutritional Performance of Watermelon Seedlings Subjected to Increasing Salinity Levels

by Alfonso Llanderal, Gabriela Vasquez Muñoz, Malena Suleika Pincay-Solorzano, Stanislaus Antony Ceasar and Pedro García-Caparros

Agronomy 2025, 15(7), 1620; https://doi.org/10.3390/agronomy15071620 - 2 Jul 2025

Cited by 1 | Viewed by 929

Abstract

The production of high-quality horticultural seedlings is essential for successful field transplantation. Nevertheless, increasing soil salinization poses a significant challenge, particularly in salt-affected regions. Watermelon seedlings were cultivated in pots with a substrate (mixture of ground blonde peat (60%), black peat (30%), and [...] Read more.

The production of high-quality horticultural seedlings is essential for successful field transplantation. Nevertheless, increasing soil salinization poses a significant challenge, particularly in salt-affected regions. Watermelon seedlings were cultivated in pots with a substrate (mixture of ground blonde peat (60%), black peat (30%), and perlite (10%) with pH 5.5–6.0) within a bamboo nethouse and subjected to varying salinity levels, i.e., 2–8 dS m⁻¹ (T1, T2, T3, and T4). At the end of the experimental period (4 weeks), the growth parameters, spectral vegetation indices, and chemical parameters of the sap and leachate were evaluated. The results demonstrated that increased salinity levels reduced the biomass of watermelon seedlings. In addition, elevated salinity levels were associated with increased values of B (48%) and NBI (46%) and decreased values of G (9%) and NGI (7%) at the end of the experimental period. The effects of the salinity levels were also evident in the sap chemical parameters, with marked increases in Cl⁻, Ca²⁺, and Na⁺ concentrations (9.6, 3.1, and 4.9 times, respectively) and decreases in the N-NO₃⁻, P, and K⁺ concentrations (51, 8, and 25%, respectively). The leachate analysis reported clear increases in the values of EC and concentrations of Cl⁻, Ca²⁺, and Na⁺ at the end of the experimental period. To validate the relevance of these findings, further research under field conditions and across a range of climatic environments is warranted. Full article

(This article belongs to the Section Horticultural and Floricultural Crops)

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15 pages, 3854 KB

Open AccessEditor’s ChoiceArticle

Evaluation of the Effect of Different Soil Surface Treatments in the Vineyard Inter-Row on the CO₂ Emissions

by Patrik Burg, Vladimír Mašán, Petra Zabloudilová, Miroslav Češpiva, Jana Burgová, Jindřiška Jeřábková, Adam Lipinski and Piotr Markowski

Agronomy 2025, 15(7), 1611; https://doi.org/10.3390/agronomy15071611 - 1 Jul 2025

Cited by 1 | Viewed by 794

Abstract

In recent years, increasing efforts have been directed towards reducing greenhouse gas emissions from agriculturally managed soils to mitigate their negative environmental impacts. The total emissions released are influenced by the chosen farming practices, including soil surface treatment methods. While numerous studies have [...] Read more.

In recent years, increasing efforts have been directed towards reducing greenhouse gas emissions from agriculturally managed soils to mitigate their negative environmental impacts. The total emissions released are influenced by the chosen farming practices, including soil surface treatment methods. While numerous studies have focused on arable cropping systems, research in permanent crops, such as vineyards, remains limited. For this reason, our study aimed to assess the effects of different soil surface management strategies in vineyard inter-rows on CO₂ emissions. Five treatments were examined: cultivation to a depth of 70 mm (C70); cultivation to a depth of 150 mm (C150); compost application (50 t·ha⁻¹) incorporated into the soil at 150 mm depth (C+C150); mulching with plant residues left on the soil surface (M) and an untreated control (Co). Results from two-year measurements indicated the highest CO₂ emissions in the C+C150 treatment (42–76% higher) and C150 (34–53% higher) compared to the control (Co). The impact of soil surface treatment on CO₂ emissions is further substantiated by cumulative values recorded over 120 days, ranging from 11–24 g C-CO₂·m⁻²·h⁻¹, corresponding to 9.64–21.03 Mg C-CO₂·ha⁻¹·y⁻¹. Full article

(This article belongs to the Section Soil and Plant Nutrition)

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