... F. Mahoo and N. Hatibu. 2005. Economics of Rainwater Harvesting for Crop Enterprises in Semi-Arid Areas: The Case of Makanya Watershed in Pangani River Basin, Tanzania. Soil and Water Management ... Senegal, South Africa, Sri Lanka, Tanzania, Togo, Uganda, Vietnam, Zambia and Zimbabwe – and mainly over cereals—maize, wheat, sorghum, millet and teff (see Tables 2 and 3). Table 2. Dataset description: ... main categories of land management technologies: improved cropland management, improved pasture and grazing management, restoration of degraded land, and management of organic soils. 2 To a...