Reij, C.Tappan, G.Smale, M.2016-04-192016-04-192009IFPRI Discussion Paper 00914http://hdl.handle.net/10919/68985Metadata only recordWithin the last thirty years in the West African Sahel, farmers have started to implement agroenvironmental practices which have allowed them to improve the soil quality and increase crop yields. Using two examples of land rehabilitation in Africa, this paper examines the technical and institutional innovations and their impacts on the ability to meet food demand for the growing population. Agroenvironmental techniques incorporate trees into the agricultural landscape, which improves water retention in the soil, increases the supply of nutrients, reduces wind erosion, and provides other marketable tree products. This large-scale effort has created income opportunities for farmers, benefited women, and increased food supply for many African families.text/plainen-USIn CopyrightSocial capitalSoil degradationSoil managementFood securityGenderAgroforestryConservationMillions fedClimate changeLand degradationSahelZaïStone bundsBurkina FasoInnovationFarmer-driven changeAgroenvironmentalRehabilitationAfricaFarm/Enterprise Scale Field Scale GovernanceAbstractCopyright 2009 International Food Policy Research Institute