The herbicide can be used for soil treatment; the method of spraying the herbicide on the weeds and the stems and leaves of the crop after the emergence of the crop is called stem and leaf treatment; when the herbicide is applied to the weeds, it is called the herbicide application; The film of the agent is first perforated according to the distance of the crop cultivation plant, and then covered on the farmland. After sowing or planting the crop in the hole, the plant can grow out from the hole and the weeds are unearthed and touched with the drug film is killed. Herbicide film weeding; these are commonly used methods of herbicides.
Herbicides are agents that can kill weeds completely or selectively. The development of herbicides in the world has gradually stabilized, mainly developing high-efficiency, low-toxic, broad-spectrum, low-dose varieties, and disposable treatment agents with little environmental pollution have gradually become mainstream. So what are the common herbicides?
Herbicides are classified according to different application sites, different modes of action, and different sources of compoundation.
According to different application sites, it can be divided into: systemic herbicides, systemic herbicides, contact-killing herbicides and contact herbicides; according to different modes of action, it can be divided into: herbicides and selective herbicides. According to different chemical structures, it can be divided into: organic compound herbicides and inorganic compound herbicides.
Tips for China Pesticide Network Xiaobian: In order to prevent the harmful use of herbicides, it is necessary to strictly follow the use of technology and standard operation.
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