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Sustainable Agricultural Practices and Cropping Systems

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Agriculture".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 2565

Special Issue Editors


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Guest Editor
Comissão de Coordenação e Desenvolvimento Regional do Centro, 3000-069 Coimbra, Portugal
Interests: sustainable agriculture; horticulture; organic farming; decision support systems

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Guest Editor
Department of Agricultural Sciences and Technologies, College of Agriculture, Polytechnic Institute of Coimbra, 3045-601 Coimbra, Portugal
Interests: irrigation systems; water use in agriculture; water resources; decision support systems
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Special Issue Information

Dear Colleagues,

Agricultural techniques have evolved over time partly in response to different contexts, but mainly due to agriculture’s fundamental role in ensuring worldwide food security. The growing world population’s need for food has, in turn, placed considerable pressure on the two key natural resources: soil and water. Soil degradation, water scarcity, and biodiversity loss reduce agricultural productivity, and these issues, alongside climate change, are becoming increasingly urgent. Adopting sustainable farming practices and systems is essential to reconciling food production with preserving ecosystems and building climate resilience. The various branches of agricultural science must, therefore, interact to find innovative solutions for more sustainable agriculture. This Special Issue, therefore, seeks to gather scientific and technical contributions addressing strategies for efficient water use, including irrigation and drainage, crop selection, and agricultural conservation techniques. Studies promoting soil fertility, the use of technology and digital tools, geographic information systems, and life cycle analysis are particularly welcome, as these methods will ensure the integration of agricultural knowledge to develop and implement sustainable agricultural practices. This Special Issue will also analyze public policies and their impact on the adoption of sustainable agricultural practices, providing additional information to facilitate their implementation.

Dr. Rosa Guilherme
Dr. José Manuel Gonçalves
Guest Editors

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. Sustainability 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 2400 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

  • sustainable agriculture
  • water management
  • soil conservation
  • climate resilience
  • precision agriculture
  • agroforestry
  • agricultural digitisation
  • food security
  • public policies
  • circular economy

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Published Papers (2 papers)

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Research

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17 pages, 847 KB  
Article
Optimizing Carbon Partitioning in Sweet Sorghum: A GGE Biplot and Multivariate Assessment of Biomass–Sugar Trade-Offs and Bioethanol Stability Across Water Regimes
by Ali Devlet
Sustainability 2026, 18(10), 5029; https://doi.org/10.3390/su18105029 - 16 May 2026
Viewed by 333
Abstract
This study investigates the physiological trade-off between biomass yield and sugar concentration in five sweet sorghum genotypes to evaluate how carbon partitioning influences bioethanol potential. Field experiments were conducted over the 2019–2020 seasons in the East Marmara transitional zone of Türkiye, under irrigated [...] Read more.
This study investigates the physiological trade-off between biomass yield and sugar concentration in five sweet sorghum genotypes to evaluate how carbon partitioning influences bioethanol potential. Field experiments were conducted over the 2019–2020 seasons in the East Marmara transitional zone of Türkiye, under irrigated and rain-fed regimes. Results revealed a highly significant genotype × water regime interaction (p < 0.001). A distinct trade-off was identified: while the hybrid ‘Teide’ maximized juice volume under irrigation (2427.67 L ha−1), ‘Leoti’ maintained superior sugar stability (18.38 °Brix) under moisture deficit. Genotype plus Genotype × Environment Interaction (GGE) biplot analysis indicated that ‘Early Sumac’ provided the highest environmental buffering, balancing productivity and sugar density across water regimes. Principal Component Analysis (PCA) demonstrated that plant height (averaging 214.2 cm) was positively associated with juice yield and concentration. Under irrigation, ‘Teide’ produced the highest bioethanol yield (1690.7 L ha−1), whereas ‘Nutrihang’ led output under rain-fed conditions. While these site-specific trends offer valuable insights into local bioenergy stability, further multi-location trials are necessary to confirm these patterns on a broader scale. The findings conclude that feedstock selection must be categorized by water availability to optimize sweet sorghum-based bioenergy systems in water-limited environments. Full article
(This article belongs to the Special Issue Sustainable Agricultural Practices and Cropping Systems)
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Review

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45 pages, 2766 KB  
Review
Advancing the Sustainability of Poplar-Based Agroforestry: Key Knowledge Gaps and Future Pathways
by Cristian Mihai Enescu, Mircea Mihalache, Leonard Ilie, Lucian Dinca, Danut Chira, Anđela Vasić and Gabriel Murariu
Sustainability 2026, 18(1), 341; https://doi.org/10.3390/su18010341 - 29 Dec 2025
Cited by 4 | Viewed by 1757
Abstract
Poplars (Populus L.) are fast-growing, widely distributed trees with high ecological, economic, and climate-mitigation value, making them central to diverse agroforestry systems worldwide. This study presents a comprehensive bibliometric and content-based review of global poplar-based agroforestry research, using Scopus and Web of [...] Read more.
Poplars (Populus L.) are fast-growing, widely distributed trees with high ecological, economic, and climate-mitigation value, making them central to diverse agroforestry systems worldwide. This study presents a comprehensive bibliometric and content-based review of global poplar-based agroforestry research, using Scopus and Web of Science databases and a PRISMA-guided screening process to identify 496 peer-reviewed publications, covering publications from 1987 to 2024. Results show a steady rise in scientific output, with a notable acceleration after 2013, dominated by agriculture, forestry, and environmental sciences, with strong international contributions and research themes focused on productivity, carbon sequestration, biodiversity, and economic viability. A wide range of Populus species and hybrids is employed globally, supporting functions from crop production and soil enhancement to climate mitigation and ecological restoration. Poplar-based systems offer substantial benefits for soil health, biodiversity, and carbon storage, but also involve trade-offs related to tree–crop interactions, such as competition for light reducing understory crop yields in high-density arrangements, management intensity, and regional conditions. Poplars provide a wide array of provisioning, regulating, and supporting ecosystem services, from supplying food, fodder, timber, and biomass to moderating microclimates, protecting soil and water resources, and restoring habitats, while supporting a broad diversity of agricultural and horticultural crops. However, several critical gaps—including a geographic research imbalance, socio-economic and adoption barriers, limited understanding of tree–crop interactions, and insufficient long-term monitoring—continue to constrain widespread adoption and limit the full realization of the potential of poplar-based agroforestry systems. Full article
(This article belongs to the Special Issue Sustainable Agricultural Practices and Cropping Systems)
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