Land salinization and necessity of the technical assistance to water association in Uzbekistan

agricultural situation aide technique anegamiento coyuntura agraria desertification engorgement du sol farm management gestion de l'exploitation agricole gestion des eaux irrigation systems land reform manejo de fincas reforma de la tenencia de la tierra saline soils sistemas de riego situation agricole sol salin suelo salino technical aid uzbekistan water management waterlogging