Plant-available P for maize and cowpea in P-deficient soils from the Nigerian Northern Guinea savanna : Comparison of E- and L-values
Phosphorus benefits from grain-legume crops to subsequent maize grown on acid soils of southern Cameroon
Patterns of participation in farmers' research groups: lessons from the highlands of Southwestern Uganda
Mineral nutrient uptake and removal by cowpea, soybean and maize cultivars in West Africa, and implications for carbon cycle effects on soil acidification
Indicators of soil quality: a South-South development of a methdological guide for linking local and technical knowledge
Assessment of genetic diversity among African cassava Manihot esculenta Crantz accessions resistant to the cassava mosaic virus disease using SSR markers
Assessment of cowpea and groundnut contributions to soil fertility and succeeding sorghum yields in the Guinean savannah zone of Burkina Faso (West Africa)
Farmer evaluation of improved soybean varieties being screened in five locations in Kenya : Implications for research and development