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各类除草剂的杀草谱均有一定范围,如长期单一使用某一除草剂,往往会使杂草种群发生改变,除掉了某类杂草,而另类杂草猖獗;某些杂草甚至出现抗药性,致使防效降低。要解决上述问题,除研究生产安全、经济、高效的除草剂外,合理使用现有除草剂是一个值得重视的问题。目前国内外在研究探讨除草剂的混用方面,收到了明显效果,实践证明,合理混用除草剂有
A variety of herbicide herbicide spectrum has a certain range, such as the long-term single use of a herbicide, tend to make the weed population changed, removed some weeds, and other weeds rampant; some weeds or even Emergence of resistance, resulting in reduced effectiveness. To solve the above problems, in addition to studying the production of safe, economical and efficient herbicides, the rational use of existing herbicides is a problem worth attention. Currently at home and abroad in the study of the mixture of herbicides, has received significant results, the practice has proved that a reasonable mix of herbicides have