Smallholder farmers in southern Africa face acute food insecurity because the productive capacity of their soils has declined. These resource-poor farmers increasingly cannot afford mineral fertilizers Farmers mentioned the lack of fertilizers for their depleted soils as the most important...

The global agricultural economy is changing. Commodity prices are declining, andproducers increasingly supply complex value chains. There is growing interest in how farmerscan benefit from emerging market opportunities. Farmers are encouraged to produce high valuecrops and engage in value-adding...