Minimum tillage and productivity of smallholder sorghum cropping systems of Kenya


  • Collins Musafiri University of Embu and Cortile Scientific


Conservation agriculture, Improved yields, Counterfactual analysis, Climate change resilience, Kenya


Production of adequate food for the surging population while coping with the vagaries of climate change is a global concern. This calls for synergies geared towards achieving various United Nation Sustainable Development goals such as poverty alleviation, zero hunger, responsible consumption and production and climate action. Minimum tillage uptake on neglected sub Saharan Africa crops including sorghum could be an essential climate-smart intervention for improved productivity. The minimum tillage improves soil health, carbon sequestration, and land productivity. However, there is limited evidence of minimum tillage uptake on sorghum yields of smallholder fields in Kenya. We assessed the impacts of minimum tillage uptake on sorghum yields. We collected data from 300 smallholder sorghum farmers in Siaya County. We employed propensity score matching and endogenous switching regression in data analysis. The propensity score matching established a positive but insignificant impact of minimum tillage uptake on sorghum yields. The endogenous switching regression showed that minimum tillage uptake significantly increased sorghum yields. Our finding implied that minimum tillage uptake a principle of conservation agriculture could significantly improve yields. We recommend the minimum tillage to be utilized together with other principles of conservation agriculture such as crop diversification and mulching for better yields. Policymakers should target the whole package of conservation agriculture among smallholder farmers for improved food and nutritional security.



How to Cite

Musafiri, C. (2022) “Minimum tillage and productivity of smallholder sorghum cropping systems of Kenya”, Egerton University International Conference. Available at: (Accessed: 19 July 2024).



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