discussion paper
Improved fallows in Eastern Zambia
The decline in soil fertility in smallholder systems is a major factor inhibiting equitable development in much of sub-Saharan Africa.
The decline in soil fertility in smallholder systems is a major factor inhibiting equitable development in much of sub-Saharan Africa.
This synthesis revisits the “maize success story” in Sub-Saharan Africa, drawing selectively from an extensive published literature about maize seed technical change and related policies.
This paper uses cross section-time series data on 57 communities in Malawi to determine statistically the factors determining changes in land use, tree cover, and crop yield.