selected publications
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article
- Understanding variability in crop response to fertilizer and amendments in sub-Saharan Africa. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 229:1-12. 2016
- Maize response to macronutrients and potential for profitability in sub-Saharan Africa. Nutrient Cycling in Agroecosystems. 105:171-181. 2016
- Analysis of Communication and Dissemination Channels Influencing the Adoption of Integrated Soil Fertility Management in Western Kenya.. The Journal of Agricultural Education and Extension. 18:71-86. 2012
- The African Green Revolution and the Role of Partnerships in East Africa 2011
- Effects of organic and mineral sources of nutrients on maize yields in three districts of central Kenya 2007
- Participatory Diagnosis in the Eastern Drylands of Kenya: Are Farmers aware of their Soil Fertility Status? 2007
- Tied-ridging and integrated nutrient management options for sustainable crop production in semi-arid eastern Kenya 2007
- On farm testing of integrated nutrient management strategies in eastern Uganda. Agricultural Systems. 86:144-165. 2005
- Resource flows and nutrient balances for crop and animal production in smallholder farming systems in eastern Uganda. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 109:192-201. 2005