The Giuba River Scheme. Sect. 1: General report.- Sect. 2: Irrigation developments.- Sect. 3: Agroeconomic considerations.- Sect. 4: Climate and hydrology.- Sect. 5: Soils

canal canales canals conception design development projects economic situation hidrologia hydraulic engineering hydrologie hydrology irrigation production proyectos de desarrollo riego soil types tipos de suelos type de sol watershed management