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[SEI] The economics of soil organic carbon: multi-benefits from sustainable land management for smallholders in Western Kenya

분류 SEI
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Sustainable land use in Africa. 



Photo: StockSnap/Pixabay



This study examines the economic impact of adopting SLM practices—specifically Conservation Agriculture (CA) and Integrated Soil Fertility Management (ISFM)—on household income and carbon sequestration potential among smallholder farmers in Siaya County, Western Kenya.



The farming system in Western Kenya is primarily small-scale subsistence agriculture, characterized by low inputs and yields, leading to rapid soil fertility loss and degradation. This decline in soil quality negatively impacts food production and income security. Healthy soils are essential not only for agriculture but also for carbon sequestration, as they store more carbon than all terrestrial vegetation combined.



Sustainable Land Management (SLM) practices have gained attention for their potential to enhance soil organic carbon (SOC) sequestration, contributing to climate change mitigation.



Alongside this report, the authors contributed to a policy brief: Mack, M., Brakhan, A., Wehinger, T., & Lutta, A. (2025). The economics of soil organic carbon: Multi-benefits from sustainable land management for smallholders in Western Kenya. ELD Policy Brief. Economics of Land Degradation (ELD) Initiative. Bonn: Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ). https://www.eld-initiative.org/fileadmin/ELD_Filter_Tool/Case_Study_Kenya_2024/Kenya_Soil-Organic-Carbon_2025_policybrief_EN.pdf



Download the policy brief here



Download the report on ELD Website



 



SEI authors



Alphayo Lutta



Research Fellow



SEI Africa

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