Application of Organic Amendments in Agricultural Production—3rd Edition

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: 31 March 2026 | Viewed by 876

Special Issue Editor

Special Issue Information

Dear Colleagues,

Soil is an essential resource for plant growth and yield. It undergoes a rapid degradation process in intensive agricultural areas, but it has extremely slow formation and regeneration mechanisms. As a consequence, soils of agroecosystems are severely depleted of organic matter and macro-/micronutrient pools. In addition, the production of urban and industrial organic waste is increasing worldwide, and environmentally friendly strategies for their disposal, e.g., compost production, have been developed. Furthermore, the application of organic fertilizers could help to mitigate the negative effect of the increase in atmospheric carbon dioxide, since they can sequester C into the soil. The necessity of bringing together economic and ecological issues has led to an increase in the use of organic fertilizers worldwide since, in addition to their positive effects on soil chemical, physical, and biological properties, they also improve plant performance.

The aim of this Special Issue is to highlight the effect of different organic amendments on plant performance, soil quality, and the environment. Manuscripts dealing with the effect of organic amendment supply on plant performances, soil chemical, physical, and biological properties, and carbon sequestration will be considered.

Dr. Elena Baldi
Guest Editor

Manuscript Submission Information

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Keywords

  • soil organic matter
  • carbon sequestration
  • plant performances
  • soil fertility
  • nutrient availability

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Published Papers (1 paper)

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Research

22 pages, 2402 KB  
Article
Influence of Organic Mulching Strategies on Apple Tree (Mallus domestica BORKH.) Development, Fruit Quality and Soil Enzyme Dynamics
by Ioana Maria Borza, Cristina Adriana Rosan, Daniela Gitea, Manuel Alexandru Gitea, Alina Dora Samuel, Carmen Violeta Iancu, Ioana Larisa Bene, Daniela Padilla-Contreras, Cristian Gabriel Domuta and Simona Ioana Vicas
Agronomy 2025, 15(9), 2021; https://doi.org/10.3390/agronomy15092021 - 22 Aug 2025
Viewed by 552
Abstract
Mulching is a sustainable agronomic practice that can improve soil quality and fruit characteristics in crops. This study investigated the influence of sheep wool mulch and a soil conditioner on growth, the accumulation of bioactive compounds, and soil enzymatic activity in apple orchards. [...] Read more.
Mulching is a sustainable agronomic practice that can improve soil quality and fruit characteristics in crops. This study investigated the influence of sheep wool mulch and a soil conditioner on growth, the accumulation of bioactive compounds, and soil enzymatic activity in apple orchards. A two-year field experiment (2023–2024) was conducted using three experimental methods: mulching with sheep wool (V2), application of a soil conditioner, corn starch-based polymer (V3), and a combination of sheep wool and corn starch-based polymer (V4) along with a control (V1). Tree growth parameters, fruit physicochemical properties, total phenolic and flavonoid content, and soil enzyme activities (dehydrogenase, catalase, phosphatase) were assessed. Data were analyzed using Principal Component Analysis (PCA) and Pearson’s correlation. PCA showed that the combined variant (V4) improved fruit size, weight, and bioactive compound content, while wool mulch alone (V2) was associated with higher fruit yield and better vegetative growth. Catalase activity correlated positively and consistently with bioactive compounds in both years, while phosphatase activity showed an intensified positive relationship in 2024. Dehydrogenase activity was negatively correlated with phenolic content in both seasons. Organic and integrated mulching practices can beneficially modulate both aboveground and belowground plant–soil interactions. The combined variant proved to be the most effective strategy, enhancing fruit nutritional quality and supporting sustainable apple orchard management. Full article
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