Tanzania - Survey and plan for irrigation development in the Pangani and Wami river basins - Vol 1, draft of final report - General.

agricultura agriculture agronomia agronomie agronomy bassin versant climatologia climatologie climatology commercialisation control de inundaciones demografia demographie demography ecologia ecologie ecology economic situation flood control hidrologia hydraulic engineering hydrologie hydrology irrigation land use marketing mercadeo obreros reconocimiento de suelos riego soil surveys travailleur uso del agua utilisation de l'eau utilisation des terres water use watersheds workers