An Economic Analysis of Farm Management Practices and Improved Technologies in the Sahel

Sustainable agriculture: future hope for developing countries

“…Acidity and aluminium toxicity, soil crusting, compaction, and sealing during and following rains are common. Soil crusting and rain storms cause high run-off and low infiltration (Day et al 1990). According to a United Nations Environment Programme report, some 90% of the productive dry and rangelands in Sudano-Sahelian Africa and 70% of the productive dryland in southern Asia have suffered in productivity due to land degradation (UNEP/ISRC 1990).…”