Due to increasing population pressure on limited cultivable land in many parts of sub-Saharan Africa (SSA), farm size has been shrinking, fallow periods have been shortened, and soil fertility has been declining. In accordance with the Boserupian evolutionary theory and the Hayami-Ruttan induced...

This paper reviews current organic nutrient management practices and their integration with mineral fertilizers in Sub-Saharan Africa with a view to understanding the potential impacts on a range of input markets. A number of different organic nutrient management practices have been found to be...