Farmers mapping the land use changes in Madagascar

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Centre for Development and Environment (CDE)
Publications

Swiss online publications related to agricultural research for development

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This study examines how long-term cassava-based conservation agriculture systems affect soil greenhouse gas emissions in Cambodia. Drawing on experimental data since 2009, it compares conventional tillage with no-tillage systems that include cover crops and residue retention. The results show that conservation agriculture can improve the greenhouse gas balance by increasing soil carbon inputs and reducing emissions per unit of yield. The findings highlight the potential of integrated soil and crop management practices to reconcile productivity with climate mitigation in tropical farming systems.

Article
Leng, V., Thuriès, L., Seng, V., Tivet, F., Mark, P., Ngin, C., Yorn, T., Filloux, T., Lienhard, P., Six, J., Hok, L., Boulakia, S., Reyes, M., Prasad, P. V. V., & Cardinael, R.
Agriculture, Ecosystems & Environment, 404

This article examines how sustainability governance in coffee and cocoa value chains is diversifying beyond certification. Based on survey data from 112 organizations in Switzerland and Peru, the study compares six governance strategies, including corporate sustainability programmes, certification, direct trade, mission-driven businesses, solidarity economy and producer-led upgrading. The findings show that value chain actors often combine different approaches, highlighting the importance of actor position, mission and ownership in shaping sustainability governance.

Article
Bruelisauer, S., Villar, G., & Oberlack, C.
World Development, 202, 107350

This study assesses the impact of conservation agriculture practices on soil conditions and maize yields in a sub-humid region of western Kenya. Results from a long-term field experiment show that residue retention significantly increases soil moisture, while practices such as ripping reduce soil penetration resistance. Crop diversification, particularly maize–soybean rotation, further enhances soil moisture and substantially improves yields compared to continuous maize systems. Combined with appropriate fertilization, these practices lead to marked yield gains, highlighting the effectiveness of integrated soil and crop management strategies in improving productivity under rainfed conditions.

Article
Mkiza, M., Mucheru-Muna, M., Nyawira, S., Mutambu, D., Mwangi, O., Bolo, P., Kinyua, M., & Kihara, J.
Agrosystems, Geosciences & Environment (Vol. 9, Issue 2), Wiley

A recent literature review conducted by Agroscope within the EU Horizon 2020 project WASTELESS examines the growing body of research on food system by-products and their potential for valorisation. Based on an analysis of 52 review articles, the study finds that plant-based side streams dominate current research, particularly those derived from fruits (e.g. pomace, peels, seeds) and brewery residues, with applications ranging from baked goods to processed foods. In contrast, animal-based side streams—especially from meat—remain significantly underexplored, despite their potential to reduce food losses linked to consumer preferences.

The review highlights that while technological applications for upcycling side streams are expanding, key challenges remain regarding their industrial use and market integration. In particular, consumer acceptance is identified as a critical bottleneck: although there is general openness toward upcycled products, willingness to pay tends to be lower, and factors such as taste, appearance, and perceived added value strongly influence acceptance. The study underscores the need for further research on both technological pathways and consumer behaviour to unlock the full potential of food system side streams.

Article
Ammann, J.; Wiedmann, N.; Manixab, R.; Liechti, C.
Swiss Agricultural Research, 17, 106-115
FR DE

This review highlights the global importance of rangelands, which cover 54% of the terrestrial area and support pastoralist livelihoods, while facing growing threats from degradation and land conversion. It argues that achieving Land Degradation Neutrality requires stronger governance, secure land tenure, better cross-sectoral policies, appropriate monitoring indicators and greater investment in sustainable rangeland management. The article underlines the need to recognize pastoralist mobility and communal tenure as key elements of resilient rangeland systems.

Article
Louhaichi, M., Davies, J., Herrera Calvo, P. M., Masumbuko, B., Liniger, H., Mekdaschi Studer, R., Harari, N., & Niamir-Fuller, M.
Frontiers in Ecology and the Environment, 24(4)

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