Tanganyika - the Rufiji basin - Report to the government - Vol 5, Mbarali irrigation scheme.

bassin versant besoin en eau canal canales canals conception cost analysis design drainage systems engineering experimentation forecasting gestion des ressources hidrologia human resources hydraulic engineering hydrologie hydrology infraestructura infrastructure irrigated land irrigation irrigation systems necesidades de agua pedogenese permeabilidad permeability plant production recursos humanos red de drenaje regadio resource management ressource en eau ressource humaine riego sistemas de riego soil genesis topografia topographie topography water requirements water resources watersheds