果园杂草种类多、生育期长、繁殖速度快、发生密度大，常与果树争夺养分，影响通风透光，诱发或加重某些病虫害发生，从而影响果品产量与品质。人工除草用工多、劳动强度大、效果差。随着劳动力工资的提高及除草剂的发展，果园化学除草愈来愈普及，为掌握果园常用除草剂的... Orchard weed species, long growth period, breeding speed, the occurrence of density, and fruit trees often compete for nutrients, affecting the light and light, induce or aggravate the occurrence of certain pests and diseases, thus affecting the fruit yield and quality. Artificial weeding workers, labor-intensive, poor results. With the increase of labor wages and the development of herbicides, orchard chemical weeding more and more popular, in order to master the orchard commonly used herbicides ...