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长残留性除草剂是指某些除草剂被使用后,残留在土壤中的效用长达1年以上,易使敏感性后茬作物遭受不同程度药害的除草剂。因此,必须重视这类除草剂对后茬作物的为害。一、要根据不同土壤特性、微生物种类、气候及灌溉条件,选用不同的除草剂。据资料介绍,绿黄隆、豆黄隆、甲黄隆等在土壤中主要通过水解作用。遇到大田为碱性土、用药当年降雨量少、土壤干旱等情况,它们在土壤中的残
Long residual herbicide refers to the use of certain herbicides, the residual effect in the soil for more than 1 year, susceptible to crop plants susceptible to varying degrees of injury to herbicides. Therefore, we must pay attention to this type of herbicide on the crop after the crop damage. First, according to different soil characteristics, microbial species, climate and irrigation conditions, the choice of different herbicides. According to the introduction of the data, chlorosulfon, sojamand, jiahuanglong, etc. are mainly hydrolyzed in the soil. Encountered the fields of alkaline soil, when the medication less rainfall, soil drought and other conditions, their residual in the soil