Republic of Korea: Tubewell irrigation project: report on project results, conclusions and recommendations: terminal report, draft

conduite de la culture cost benefit analysis crop management eau souterraine economic situation forage d'eau groundwater hidrogeologia hidrologia hydrogeologie hydrogeology hydrologie hydrology irrigation land use manejo del cultivo pipes planification planning ressource en eau riego tuyau uso del agua utilisation de l'eau utilisation des terres water drilling water resources water use