Effect of the location of four herbicides in the soil and the application of water levels, on leaching and phytotoxicity in sugarcane (Saccharum spp.)

contenido de humedad efectos residuales efeito residual fitotoxicidad herbicida herbicidas herbicide herbicides leaching lessivage du sol moisture content phytotoxicity residual effects soil sol solo suelo sugar cane teneur en eau toxicidade water management