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Nutritional Management Challenges and Strategies for Large Crops in the...
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Nutritional Management Challenges and Strategies for Large Crops in the Face of Climate Change

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 1123

Special Issue Editor

Dr. Sidnei Deuner

E-Mail Website
Guest Editor
Department of Botany, Biology Institute, Federal University of Pelotas, Pelotas 96010-900, Brazil
Interests: crops of agricultural interest; effect of climate change on crop productivity; efficient use of mineral nutrients; alternative management for maintaining productivity under heat stress conditions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The intensification of climate change has led to the increasing occurrence of extreme heat waves, severely affecting crop production worldwide. High temperatures not only affect crop yield but also alter nutrient uptake, leading to nutrient imbalances and inefficiencies. Given these challenges under changing climate conditions, alternative fertilization management practices are gaining attention as a crucial strategy to optimize crop nutrition.

Alternative fertilization strategies, including organic amendments, slow-release fertilizers, and the use of microbial inoculants, as potential solutions to enhance nutrient availability, can improve crop resilience under extreme environmental conditions, especially heat stress.

This Special Issue invites original research articles and reviews that address how stressors caused by climate change can affect nutrient dynamics in crop plants. This Special Issue also examines evolving approaches to fertilizer management, focusing on their role in mitigating the impacts of heat stress on agricultural crops.

Dr. Sidnei Deuner
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • heat stress
  • crop nutrition
  • alternative fertilization
  • climate change
  • sustainable agriculture
  • nutrient use efficiency
  • fertilization management

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Published Papers (2 papers)

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Research

19 pages, 2999 KB  
Article
Seed Priming with Carrot Extract Improves Early Physiological Responses to Salinity in Rice
by Sheila Bigolin Teixeira, Fernanda Reolon de Souza, Stefânia Nunes Pires, Gabriele Espinel Avila, Cristiane Deuner, Geri Eduardo Meneghello and Sidnei Deuner
Plants 2026, 15(7), 1082; https://doi.org/10.3390/plants15071082 - 1 Apr 2026
Viewed by 409
Abstract
Soil salinization is a major constraint on irrigated rice cultivation, mainly due to poor irrigation management and cropping in coastal areas. Seed priming is widely recognized as a cost-effective and practical approach to enhance early growth and improve tolerance to abiotic stresses, including [...] Read more.
Soil salinization is a major constraint on irrigated rice cultivation, mainly due to poor irrigation management and cropping in coastal areas. Seed priming is widely recognized as a cost-effective and practical approach to enhance early growth and improve tolerance to abiotic stresses, including salinity. This study evaluated the effects of seed priming of rice seeds from two cultivars, BRS Querência (Indica) and BRS 358 (Japonica), using aqueous carrot root extract at 0% (water), 25%, and 50% concentrations for 48 h. Seeds were sown in rhizotrons and exposed to 0, 75, or 150 mM NaCl. Morphological, physiological, and biochemical traits were evaluated at 21 days after sowing. Seed priming with carrot extract was associated with improved growth and physiological responses under salinity stress. Under 150 mM NaCl, primed seedlings showed approximately 40% higher chlorophyll index, 35% greater root volume, and 30% higher shoot dry mass compared to unprimed controls. The 25% extract concentration was particularly effective for BRS Querência, which showed enhanced root elongation and a higher nitrogen balance index. Activities of superoxide dismutase, ascorbate peroxidase, and catalase increased by 45–70%, while hydrogen peroxide and malondialdehyde levels decreased by approximately 50%, suggesting enhanced antioxidant responses and improved redox balance. Anthocyanin accumulation also increased in specific cultivar–treatment combinations, suggesting a potential effect on secondary metabolism and antioxidant pathways. Overall, carrot-based seed priming was associated with improved seedling performance, pigment stability, and regulation of oxidative stress under saline conditions. These results suggest that carrot-based seed priming may improve physiological performance under salinity stress. Full article
(This article belongs to the Special Issue Nutritional Management Challenges and Strategies for Large Crops in the Face of Climate Change)
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18 pages, 4169 KB  
Article
Effects of Irrigation Practices and N Addition Rates on Wheat Nutrient Accumulation and Utilization in Dryland
by Cuiping Zhao, Kaiming Ren, Yuhao Sun, Qinglei Xie, Shuai Zhang, Mengqi Yang, Shanwei Wu, Ming Huang, Jinzhi Wu and Youjun Li
Plants 2026, 15(2), 264; https://doi.org/10.3390/plants15020264 - 15 Jan 2026
Cited by 1 | Viewed by 494
Abstract
Irrigation practices and nitrogen (N) addition play pivotal roles in wheat production, and their rational coordination can significantly enhance N, phosphorus (P), and potassium (K) use efficiency and yield of wheat. However, the comprehensive effects of irrigation practices and N addition rates on [...] Read more.
Irrigation practices and nitrogen (N) addition play pivotal roles in wheat production, and their rational coordination can significantly enhance N, phosphorus (P), and potassium (K) use efficiency and yield of wheat. However, the comprehensive effects of irrigation practices and N addition rates on N, P, and K accumulation and utilization and yield of wheat in dryland remain unclear. A field experiment with two irrigation practices (W0, zero-irrigation and W1, one-off irrigation), and four N addition rates (0, 120, 180, and 240 kg N ha−1, represented by N0, N120, N180, and N240, respectively) was conducted in 2021–2022 and 2023–2024. Compared to W0N0, W1N180 significantly increased wheat grain yield, spike number, and grains per spike by 46.4%, 35.9%, and 18.9%, respectively. Wheat yield and N, P, and K accumulation reached the maximum value at N180 or N240. One-off irrigation significantly improved the uptake efficiency and fertilizer partial factor productivity for N, P, and K, whereas increased N addition enhanced these parameters specifically for P and K. However, N180 treatment increased N uptake efficiency, N fertilizer partial factor productivity, P internal efficiency, and K internal efficiency by 22.2%, 31.1%, 9.4%, and 5.9%, respectively, compared to N240 under one-off irrigation. In addition, W1N180 significantly increased above-ground N, P, and K accumulation by 45.8%, 52.8%, and 51.8%, as well as pre-anthesis N and P translocation by 48.5% and 47.0%, respectively, compared to W0N120. Consequently, the W1N180 strategy not only improved wheat yield but also optimized N, P, and K accumulation, pre-anthesis N and P translocation, and nutrient use efficiency. Therefore, one-off irrigation combined with N180 can be recommended for enhancing wheat yield and nutrient use efficiency in dryland. Full article
(This article belongs to the Special Issue Nutritional Management Challenges and Strategies for Large Crops in the Face of Climate Change)
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