CULTURAL METHODS 229 RICE METODOS DE CULTIVO 227 MODE DE CULTURE 227 ARROZ 226 RIZ 226 PLANT PRODUCTION 91 PRODUCCION VEGETAL 89 PRODUCTION VEGETALE 89 VARIEDADES 69 VARIETE 69 VARIETIES 69 RENDEMENT 61 RENDIMIENTO 61 YIELDS 61 FERTILIZER APPLICATION 46 APLICACION DE ABONOS 43 FERTILISATION 43 INVESTIGACION 27 RECHERCHE 27 RESEARCH 27 MECHANIZATION 26 TRIAL METHODS 26 FERTILIZERS 25 MAIZE 25 MECANISATION 25 MECANIZACION 25 METHODE D'ESSAI 25 METODOS DE ENSAYO 25 PLANT PROTECTION 25