Rhizobial populations in soils from natural Acacia senegal and Acacia nilotica forests in Mauritania and the Senegal river valley
Long-term integrated soil fertility management in South-western Nigeria : Crop performance and impact on the soil fertility status
Assessment of the technical competence and ethical behaviour of community-based animal health workers in Mwingi District , Kenya
Exploring diversity in soil fertility management of smallholder farms in western Kenya. II. Within-farm variability in resource allocation, nutrient flows and soil fertility status
