Current Soil and Water Conservation Strategies: Pathways Toward Sustainable Food Systems and Climate Resilience

A Special Issue of Conservation (ISSN 2673-7159).

Deadline for manuscript submissions: 31 December 2026 | Viewed by 2447

Editor


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Guest Editor

Special Issue Information

Dear Colleagues,

1) Introduction:

Global food systems are currently facing unprecedented pressures from climate change, soil degradation, biodiversity loss, and rapidly growing food demand. Soils are the foundation of agricultural productivity, yet more than one-third of the world’s soils are degraded by erosion, nutrient depletion, salinization, contamination, and declines in organic matter. Water scarcity is increasingly recognized as a parallel and interlinked threat, with altered precipitation patterns, extreme droughts, and floods intensifying the vulnerability of agricultural landscapes and rural communities. The urgent need to transition toward sustainable soil and water management has never been greater.

Soil and water conservation strategies, such as regenerative agriculture, agroecological practices, precision nutrient management, nature-based solutions, and improved catchment hydrology, offer pathways to restore ecosystem functions while maintaining or enhancing food production. These practices contribute not only to erosion control, soil fertility improvement, and groundwater recharge, but also to climate mitigation through carbon sequestration and reduced greenhouse gas emissions.

At the science–policy interface, there is a growing push to integrate land restoration goals with climate adaptation strategies and sustainable development frameworks (e.g., SDGs 2, 6, 13, and 15). However, scaling up conservation practices requires a stronger evidence base, locally adaptable solutions, innovative technologies, and inclusive socio-economic approaches.

This Special Issue brings together interdisciplinary knowledge, case studies, and advancements in soil and water conservation to support climate-resilient and sustainable food systems. It will highlight practical implementations, new monitoring tools, and policy interventions that can accelerate the transformation toward resilient agricultural landscapes under changing environmental conditions.

2) Aim of the Special Issue and how the subject relates to the journal scope.

This Special Issue aims to collect high-quality research addressing innovative, efficient, and scalable soil and water conservation solutions that contribute to sustainable food systems and climate resilience. We welcome studies that quantify environmental and agronomic benefits, explore socio-economic drivers and barriers, or develop new technologies and decision-support tools for land and water stewardship.

The SI focuses on sustainable management of natural resources, environmental protection, and biodiversity preservation. Soil and water are essential natural assets whose conservation is central to ecosystem stability and human well-being. By showcasing multidisciplinary evidence from labs, field experiments, modelling, and governance approaches, this SI supports the journal’s mission to promote strategies that balance resource use and environmental sustainability. It will provide policymakers, land managers, and practitioners working toward resilient agricultural landscapes and climate-adapted communities with valuable scientific insights.

3) Suggest themes.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Soil conservation practices for climate-resilient agriculture;
  • Water-smart farming: irrigation efficiency and drought adaptation;
  • Soil carbon enhancement and greenhouse gas mitigation;
  • Nature-based solutions for erosion and flood control;
  • Circular resource use (e.g., biochar, compost, wastewater reuse);
  • Land restoration in vulnerable environments (arid, acidic, mountainous, coastal);
  • Conservation agriculture and regenerative food production systems;
  • Impacts of agrochemical reduction on soil and water quality.

We look forward to receiving your contributions. 

Prof. Dr. Gabrijel Ondrasek
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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Conservation is an international peer-reviewed open access quarterly 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 1200 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

  • soil conservation
  • water management
  • sustainable food systems
  • climate resilience
  • regenerative agriculture
  • nature-based solutions
  • soil health and fertility
  • land degradation and restoration
  • climate-smart agriculture
  • ecosystem services

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Published Papers (2 papers)

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Research

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32 pages, 3961 KB  
Article
Effects of Concentration and Nutrient Solution Volume per Plant on Salt Stress Alleviation in Hydroponic Lettuce
by Mairton Gomes da Silva, Hans Raj Gheyi, Toshik Iarley da Silva, Luan Silva Sacramento and Glaucia Silva de Jesus Pereira
Conservation 2026, 6(2), 71; https://doi.org/10.3390/conservation6020071 - 10 Jun 2026
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Abstract
Developing sustainable strategies for natural resource management and conservation under shifting climatic scenarios is increasingly necessary due to exacerbated abiotic stresses, such as salinity. Under salt stress, several negative effects are observed in plants, particularly in leafy vegetables such as lettuce (Lactuca [...] Read more.
Developing sustainable strategies for natural resource management and conservation under shifting climatic scenarios is increasingly necessary due to exacerbated abiotic stresses, such as salinity. Under salt stress, several negative effects are observed in plants, particularly in leafy vegetables such as lettuce (Lactuca sativa L.). To mitigate the effects of saline stress from brackish water, several strategies have been adopted, including hydroponic cultivation. Therefore, this study aimed to determine the effects of variations in nutrient solution concentration and volume per lettuce plant cultivated in a nutrient film technique (NFT) hydroponic system using brackish water. The experiment was conducted using a randomized complete block design in a 2 × 2 × 2 factorial scheme, combining two levels of water electrical conductivity (ECw of 0.3 and 5.0 dS m−1), two nutrient solution concentrations (NSC of 50 and 100%), and two nutrient solution volumes (NSV of 1 and 2 L plant−1), with four replications. Growth, production, and water productivity variables were evaluated at 20 and 25 days following the imposition of treatments. The responses of the variables to saline stress varied according to the evaluation period (20 and 25 days), depending on the NSC and NSV levels. At the end of the 25-day cycle, it can be concluded that for lettuce cultivation using brackish water, the NSC can be reduced to 50% and provide an NSV of 2 L plant−1. Under these growing conditions, leaf fresh matter production loss was approximately 40% lower than under cultivation without saline stress, which yielded 144.11 g plant−1 under 100% NSC and an NSV of 2 L plant−1. In contrast, water productivity of fresh matter was similar, at 78.68 and 76.55 g L−1, respectively. Full article
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Review

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16 pages, 2047 KB  
Review
Soil Yeasts from Sugarcane Agroecosystems: Nutrient Cycling and Biocontrol Potential in Agricultural Systems
by Jorge Francisco Castillo-Martínez, Jesús David Castilla-Marroquín, Dora Angélica Ávalos-de la Cruz, Sergio Valdivia-Rivera, Manuel Alejandro Lizardi-Jiménez and Ricardo Hernández Martínez
Conservation 2026, 6(3), 100; https://doi.org/10.3390/conservation6030100 - 18 Aug 2026
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Abstract
Soil yeasts represent a significant component of the agricultural microbiota and possess high ecological and biotechnological potential in production systems such as those for sugarcane. This review analyses the importance of these microorganisms in fundamental processes related to soil health and functionality, highlighting [...] Read more.
Soil yeasts represent a significant component of the agricultural microbiota and possess high ecological and biotechnological potential in production systems such as those for sugarcane. This review analyses the importance of these microorganisms in fundamental processes related to soil health and functionality, highlighting their role in nutrient cycling, the decomposition of organic matter, and the availability of essential elements for plant uptake. Numerous studies have shown that certain yeasts possess plant-growth-promoting characteristics, including the production of phytohormones, siderophores and compounds capable of solubilizing nutrients, thereby promoting plant development and the sustainability of the agroecosystem. Furthermore, this review highlights the potential of yeasts as agents for the biological control of agricultural diseases and pests. Various mechanisms of action are described, including the production of volatile organic compounds, hydrolytic enzymes, antagonistic toxins, competition for nutrients and space, and the induction of defense responses in plants. In sugarcane systems, some yeast species such as Metschnikowia spp., Meyerozyma guilliermondii, Wickerhamomyces anomalus, Pichia spp., and Rhodotorula glutinis have demonstrated antagonistic activity against plant pathogens and the potential to be integrated into sustainable agricultural management strategies. Full article
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