Modeling land degradation & food import This research develops a soil conservation model for smallholder farmers who apply little or no fertilizer. Empirical results drawn from northern Tanzania imply that ignoring the fertility mining problem in model specification leads to overestimation of profits for farms that apply little or no fertilizer....

In Uganda, agricultural extension has been hotly debated since the implementation of the National Agricultural Advisory Services (NAADS) program in 2001. Conceived as a demand-driven approach and largely publicly-funded with services provided by the private sector, the NAADS program targets the development and use of farmer institutions....