Factors shaping on-farm genetic resources of sorghum [Sorghum bicolor (L.) Moench] in the centre of diversity, Ethiopia
Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop
Policy framework for utilization and conservation of below-ground biodiversity in Kenya = Estrategias para la utilización y conservación de la biodiversidad del subsuelo en Kenia
Simulating phosphorus responses in annual crops using APSIM: model evaluation on contrasting soil types
Grain legume rotation benefits to maize in the northern Guinea savanna of Nigeria: fixed-nitrogen versus other rotation effects
Effect of crop rotation and nitrogen fertilization on yield and nitrogen efficiency in maize in the northern Guinea savanna of Nigeria