Reduce tillage operations with farm equipment from PhilRice [Philippine Rice Research iNST., Science City of MunoZ, Nueva Ecija, Philippines]

costo del trabajo crop yield dry season equipment performance farm equipment filipinas institution de recherche labour costs labranza maquinaria de labranza mechanization oryza sativa philippines productividad productivity rendement des cultures rendimiento de cultivos research institutions tillage tillage equipment transplanters trasplantadoras travail du sol