Soil Degradation and Restoration: Challenges and Prospects for Agroecological Development

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Agroecology Innovation: Achieving System Resilience".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 552

Special Issue Editors


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Guest Editor
Department of Soil Sciences, Faculty of Agricultural and Environmental Sciences, University of Salamanca, Filiberto Villalobos Avenue, 119, 37007 Salamanca, Spain
Interests: soil sciences; soil restoration; soil degradation; agriculture

E-Mail Website
Guest Editor
Department of Soil Sciences, Faculty of Agricultural and Environmental Sciences, University of Salamanca, Filiberto Villalobos Avenue, 119, 37007 Salamanca, Spain
Interests: soil sciences; soil restoration; soil degradation; soil conservation
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Special Issue Information

Dear Colleagues,

The conservation of soils in the face of various threats that degrade them, as well as the recovery and restoration of soils in altered or low-quality environments, is essential to ensure sufficient and high-quality agricultural and food production. This is especially critical in the context of a growing global population (and the resulting pressure on soils) and climate change.

In response to these challenges, new approaches to industrial development and more sustainable agricultural practices are emerging. These include efforts to combat soil degradation, promote sustainable food production (e.g., agroecology), develop more efficient and less disruptive tillage techniques, and restore disturbed soils.

This Special Issue will feature research papers and reviews that address the following topics:

  • Studies and experiences of agroecological production models;
  • Implementation of agricultural techniques and their impact on soil conservation and quality;
  • Restoration of disturbed or low-quality soils, both environmentally and agriculturally;
  • Soil degradation and strategies to mitigate it.

We invite contributions that explore these critical issues in soil conservation and restoration.

Prof. Dr. Pilar Alonso Rojo
Dr. Marco Criado
Guest Editors

Manuscript Submission Information

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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. Agronomy is an international peer-reviewed open access monthly 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 2600 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

  • organic agriculture
  • agroecology
  • sustainable management systems
  • soil restoration
  • soil degradation
  • soil conservation
  • soil quality

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Published Papers (1 paper)

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Research

24 pages, 5806 KiB  
Article
Soil Carbon Sequestration in Nothofagus obliqua Forests with Different Canopy Cover Levels Under Silvopastoral Management
by Camila Ramos, Erick Zagal, Salme Timmusk, Francis Dube, Leandro Paulino, Juan Ortiz, Jean Intriago-Ávila and Juan Pablo Fuentes
Agronomy 2025, 15(4), 855; https://doi.org/10.3390/agronomy15040855 - 29 Mar 2025
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Abstract
Agroforestry contributes to slowing deforestation, favoring ecosystem regeneration and improving land use sustainability. This study evaluated the impact of silvopastoral systems on soil recovery and their capacity to sequester and stabilize carbon (C) and nitrogen (N) in degraded soils of a native Nothofagus [...] Read more.
Agroforestry contributes to slowing deforestation, favoring ecosystem regeneration and improving land use sustainability. This study evaluated the impact of silvopastoral systems on soil recovery and their capacity to sequester and stabilize carbon (C) and nitrogen (N) in degraded soils of a native Nothofagus obliqua forest in Ranchillo Alto (37°04′52″ S, 71°39′14″ W), Ñuble Region, Chile. Three open (Op), semi-open (SOp), and semi-closed (SC) silvopastoral systems were analyzed and compared with a control (Ctr) without silvopastoral management across four soil depths (0–10, 10–20, 20–30, 30–60 cm). Physical, chemical, and biological analyses were performed, along with soil physical organic matter (SOM) fractionation. The highest C levels were found in the 0–10 cm depth (13.9, 11.8, 11.5, and 8.5% for Op > SC > SOp and Ctr, respectively). Despite its higher degradation, Op presented the highest levels of C, N, and non-oxidizable C (Cnox), possibly due to pyrogenic carbon from old potato burns. Furthermore, the same trend was observed for mineral associated organic matter (MAOM) fraction and C stocks in all silvopastoral systems compared to the control. These results underline the potential of silvopastoral practices to improve soil quality and increase long-term carbon sequestration, contributing to sustainable soil restoration strategies. Full article
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