Over the last 12 years a data base of climate, soils and crop distribution has been assembled for Latin America. Recently, socio-economic variables such as access and populations density and environmental variables such as the location of national parks, biological reserves and indian reserves…

To improve the welfare of the rural poor involved in cassava production in communities in Ceara, NE Brazil, an integrated production, processing, and commercialization project of cassava chips for animal consumption was established. Details are given of site selection, identification of local…