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目前,麦田除草以化学除草为主,它不仅节省劳力,减轻劳动强度,保苗灭草及时,还可清除、切断一些病虫害的中间寄主或越冬场所,并有利于改革耕作栽培制度,缩小管理行距,提高土地利用率,达到增产增收目的。 一、麦田杂草种类及分布情况 据调查,河南省麦田杂草种类有241种,危害小麦生长最严重的杂草有10余种:
At present, the weeding in wheat field is dominated by chemical weed control. It not only saves labor, reduces labor intensity, and ensures seedling timely and timely, but also eliminates or intercepts some intermediate hosts or overwintering places of pests and diseases. It is also conducive to reforming the cultivation and cultivation system, narrowing management intervals, Improve land utilization, to achieve the purpose of increasing production and income. First, the types and distribution of wheat weeds According to the survey, weeds in Henan Province, there are 241 kinds of weed species, the most harmful wheat weeds have more than 10 species: