Reaction of selected common bean genotypes to physiological races of Phaeoisariopsis griseola occurring in Kenya
Tree age and soil phosphorus conditions influence N2-fixation rates and soil N dynamics in natural populations of Acacia senegal
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
Rhizobial populations in soils from natural Acacia senegal and Acacia nilotica forests in Mauritania and the Senegal river valley
Resource flows and nutrient balances for crop and animal production in smallholder farming systems in Eastern Uganda