Effect of herbicide on planting spaces of rice

agricultural chemicals agronomic characters arroz biological development cereales cereals crecimiento croissance crops cultivation cultivo cultivos cultivos de grano economic plants espacement espaciamiento fisiologia fonction physiologique grain crops growth herbicidas herbicide herbicides methode methods physiological functions physiologie physiology plantas plante plante de culture plants pratique culturale productividad productivity produit agrochimique profitability rendement rendimiento rentabilidad rice riz spacing yields