RIEGO 32 IRRIGATION 31 irrigation 31 soil surveys 25 land use 24 INNOVATION 23 LAND SUITABILITY 23 PLANT PRODUCTION 23 SOIL CLASSIFICATION 23 SOIL TYPES 23 WATER RESOURCES 23 APTITUDE DES TERRES 22 TRAINING 22 VOCACION DE LA TIERRA 22 CAPACITACION 21 ENCUESTAS 21 ENQUETE 21 FORMATION 21 LAND USE 21 PRODUCCION VEGETAL 21 PRODUCTION VEGETALE 21 SURVEYS 21 UTILISATION DES TERRES 21 UTILIZACION DE LA TIERRA 21 water management 21 CARTOGRAPHY 20 INNOVACION 20 planning 20 CLASIFICACION DE SUELOS 19 CLASSIFICATION DES SOLS 19