selected publications
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article
- Impact of reduced tillage and crop residue management on soil properties and crop yields in a long-term trial in western Kenya. Soil Research. 54:719-729. 2016
- Effect of reduced tillage and mineral fertilizer application on maize and soybean productivity. Experimental Agriculture. 48:159-175. 2012
- Crop and Soil Response to Tillage and Crop Residue Application in a Tropical Ferralsol in Sub-humid Western Kenya 2012
- Overview of long term experiments in Africa 2012
- The diversity of rural livelihoods and their influence on soil fertility in agricultural systems of East Africa - A typology of smallholder farms. Agricultural Systems. 103:83-97. 2010
- Innovations as key to the green revolution in Africa : exploring the scientific facts: abstracts: symposium 2007