56 AGRICULTURE, SYLVICULTURE ET PÊCHE | MT 5621 exploitation de la terre agricole | BT1 amélioration du sol | BT2 technique culturale | NT1 irrigation | RT culture irriguée [5621] | développement rural [1616] | drainage [6831] | hydrologie [360
56 AGRICULTURE, FORESTRY AND FISHERIES | MT 5621 cultivation of agricultural land | BT1 soil improvement | BT2 cultivation techniques | NT1 irrigation | RT drainage [6831] | hydrology [3606] | irrigated agriculture [5621] | rural development [1