selected publications
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article
- 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
- Senna siamea trees recycle Ca from a Ca-rich subsoil and increase the topsoil pH in agroforestry systems in the West African derived savanna zone. Plant and Soil. 269:285-296. 2005
- Fertility status of soils of the derived savanna and northern guinea savanna and response to major plant nutrients, as influenced by soil type and land use management. Nutrient Cycling in Agroecosystems. 62:139-150. 2002
- Maize Yield as Affected by Organic Inputs and Urea in the West African Moist Savanna. Agronomy Journal. 93:1191-1199. 2001
- Leaf quality of selected hedgerow species at two canopy ages in the derived savanna zone of West Africa. Agroforestry Systems. 53:21-30. 2001
- Nitrogen management in 'adequate' input maize-based agriculture in the derived savanna benchmark zone of Benin Republic. Plant and Soil. 228:61-71. 2001
- Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and land-use history for soils from West African moist savanna zone. Biology and Fertility of Soils. 30:440-449. 2000
- Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and land-use history for soils from the West African moist savanna zone 2000
- Alley cropping in the moist savanna of West Africa III. Soil organic matter fractionation and soil productivity 1999
- Alley cropping in the moist savanna of West-Africa. III. Soil organic matter fractionation and soil productivity. Agroforestry Systems. 42:245-264. 1998
- Alley cropping in the moist savanna of West-Africa: I. Restoration and maintenance of soil fertility on ’terre de barre‘ soils in Bénin Republic. Agroforestry Systems. 42:213-227. 1998
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document
- Restoration of terre de barre fertility using pigeonpea grown in rotation or intercropping with maize in the derived savanna of Benin 2008
- Evaluating options for soil organic carbon maintenance under intensive cropping in the West African savanna using the Rothamsted Carbon (RothC) model 2003
- Fertility status of soils of the derived savanna and northern guinea savanna benchmarks and response to major plant nutrients, as influenced by soil type and land use management 2002
- Direct interactions between N fertilizer and organic matter: evidence from trials with 15N-labeled fertilizer 2001
- On-farm evaluation of the contribution of sole and mixed applications of organic matter and urea to maize grain production in the savanna 2001
- Options for soil organic carbon maintenance under intensive cropping in the West African savanna 2001
- Recent developments in soil fertility management of maize-based systems: the role of legumes in N and P nutrition of maize in the moist savanna zone of West Africa 2000
- Weed control in cassava farms 2000