Afghanistan - Survey of land and water resources - Vol 6, irrigation development - Hari rud and Kabul basins.

bassin versant besoin en eau beton classification des terres concrete costos costs data processing diversification drainage drenaje economia economics economie farming systems farmland floodplains gestion des ressources hidrologia hydraulic engineering hydrologie hydrology inversiones investissement investment irrigated land irrigation irrigation systems land classification llanura aluvial meteorologia meteorologie meteorology necesidades de agua plaine d'inondation procesamiento de datos regadio resource management ressource en eau riego sistemas de riego terre agricole valles valleys water requirements water resources watersheds