Micronutrients in Tropical Food Crop Production

Management of Nitrogen and Phosphorus Fertilizers in Sub-Saharan Africa: Proceedings of a symposium, held in Lome, Togo, March 25–28, 1985

Land Use and Soil Resources

Tropical Agriculture in Transition — Opportunities for Mitigating Greenhouse Gas Emissions?

Transforming Agriculture in Southern Africa: Constraints, Technologies, Policies and Processes