selected publications
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article
- Assessing and understanding non-responsiveness of maize and soybean to fertilizer applications in African smallholder farms. Agriculture, Ecosystems & Environment. 305:107165. 2021
- Soil: the great connector of our lives now and beyond COVID-19 2020
- Critical slope length for soil loss mitigation in maize-bean cropping systems in SW Kenya. Geoderma Regional. 22. 2020
- Are farmers using cropping system intensification technologies experiencing poverty reduction in the Great Lakes Region of Africa. Food and Energy Security. 9. 2020
- Market access and resource endowment define the soil fertility status of smallholder farming systems of South-Kivu, DR Congo. Soil Use and Management. 2020
- Sustainably improving Kenya's coffee production needs more participation of younger farmers with diversified income. Journal of Rural Studies. 63:190-199. 2018
- Looking back and moving forward: 50 years of soil and soil fertility management research in sub-Saharan Africa. International Journal of Agricultural Sustainability. 15:613-631. 2017
- Profitability of diammonium phosphate use in bush and climbing bean-maize rotations in smallholder farms of Central Burundi. Field Crops Research. 212:52-60. 2017
- Soil Fertility Management in Sub-Saharan Africa 2017
- 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
- Phosphorus in smallholder farming systems of sub-Saharan Africa: implications for agricultural intensification. Nutrient Cycling in Agroecosystems. 104:321-340. 2016
- Integrated soil fertility management in sub-Saharan Africa: unravelling local adaptation. SOIL. 1:491-508. 2015
- Soil carbon, multiple benefits. Environmental development. 13:33-38. 2015
- Sustainable intensification and the African smallholder farmer. Current Opinion in Environmental Sustainability. 8:15-22. 2014
- Benefits of soil carbon: report on the outcomes of an international scientific committee on problems of the environment rapid assessment workshop. Carbon Management. 5:185-192. 2014
- Effective monitoring of agriculture: a response. Journal of Environmental Monitoring. 14:738-742. 2012
- Long-term integrated soil fertility management in South-western Nigeria: Crop performance and impact on the soil fertility status. Plant and Soil. 273:337-354. 2012
- Residual Effects of Contrasting Organic Residues on Maize Growth and Phosphorus Accumulation over Four Cropping Cycles in Savanna Soils 2011
- DOES CROP-LIVESTOCK INTEGRATION LEAD TO IMPROVED CROP PRODUCTION IN THE SAVANNA OF WEST AFRICA?. Experimental Agriculture. 46:439-455. 2010
- Monitoring the world's agriculture. Nature. 466:558-560. 2010
- Assessment of nutrient deficiencies in maize in nutrient omission trials and long-term field experiments in the West African Savanna. Plant and Soil. 314:143-157. 2009
- Inputs of trace elements in agricultural soils via phosphate fertilizers in European countries. Science of The Total Environment. 390:53-57. 2008
- Achieving development impact and environmental enhancement through adoption of balanced management systems by farmers in West African Savanna 2006
- Mineralization of sulfur from organic residues assessed by inverse isotope dilution. Soil Biology & Biochemistry. 38:2278-2284. 2006
- Carbon and nitrogen dynamics in a phosphorus deficient soil amended with organic residues and fertilizers in western Kenya 2005
- Organic phosphorus dynamics in tropical agroecosystems 2005
- Organic residues affect phosphorus availability and maize yields in a Nitisol of western Kenya 2000
- Tithonia diversifolia as a green manure for soil fertility improvement in western Kenya: a review 2000
- Soil phosphorus fractions and adsorption as affected by organic and inorganic sources. Plant and Soil. 198:159-168. 1998
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dataset
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document
- Diagnostic trials: a field guide 2011
- Determinants of adoption and intensity of use of balance nutrient management systems technologies in the northern Guinea savanna of Nigeria 2010
- The mineralization of sulfur from organic residues measured by inverse isotope dilution 2006
- Sulphur immobilization and availability in soils assessed using isotope dillution 2005
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review
- Application of secondary nutrients and micronutrients increases crop yields in sub-Saharan Africa. Agronomy for Sustainable Development. 1-14. 2017