selected publications
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article
- Nitrogen release and synchrony in organic and conventional farming systems of the Central Highlands of Kenya. Nutrient Cycling in Agroecosystems. 113:283-305. 2019
- Soil quality – A critical review. Soil Biology & Biochemistry. 120:105-125. 2018
- Pasture degradation decreases organic P content of tropical soils due to soil structural decline. Geoderma. 257:123-133. 2015
- Pasture degradation impacts soil phosphorus storage via changes to aggregate-associated soil organic matter in highly weathered tropical soils. Soil Biology & Biochemistry. 68:150-157. 2014
- Management impacts on biological phosphorus cycling in cropped soils 2011
- Improving phosphorus fertility in tropical soils through biological interventions 2006
- Microbial community composition and substrate use in a highly weathered soil as affected by crop rotation and P fertilization. Soil Biology & Biochemistry. 36:889-901. 2004
- Maize productivity and nutrient dynamics in maize-fallow rotations in western Kenya. Plant and Soil. 264:195-208. 2004
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document
- Phosphorus in Action 2011