This FAO bulletin addresses the issue of soil erosion in developing countries, with a focus on traditional agricultural practices such as shifting cultivation. It examines the physical, climatic, and socio-economic factors contributing to soil degradation, as well as the impacts of water and wind erosion. The publication outlines national-level conservation strategies and promotes sustainable farming practices such as cover cropping, contour planting, terracing, and minimum tillage. It aims to guide technicians, researchers, and policymakers in implementing effective measures for protecting and restoring degraded soils.