随着除草剂的广泛应用,生产中出现的问题也越来越多。不少人只重视除草剂的特效性、随意加大使用剂量,却忽视了使用时机和方法。除草剂除草的基本原理就是,从时间上、位置上、不同植物之间的形态区别和生理差异上等,选择性地除治杂草。所以,除草剂的使用在选药、时机、施用方法三个环节上都要把握好。选对药常用除草剂有上百个种 With the wide application of herbicides, more and more problems appear in the production. Many people only attach importance to the special effects of herbicides, arbitrarily increase the use of doses, but ignore the use of timing and methods. Herbicide weeding the basic principle is that, from the time and position, the morphological differences between different plants and the physiological differences of the fine, selective removal of weeds. Therefore, the use of herbicides in the selection of drugs, timing, methods of application of three links must grasp. Choose herbs commonly used herbicides have hundreds