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免耕种麦,尤其是免耕机条播(局部灭茬),人工劈沟和压板麦田草害突出。据观察,10月下旬收获的水稻田,到11月5日前后播种时,看麦娘的出草数可占总出草数的30~45%,这部分草在数量上虽不比播后至越冬前的出草数多,但出草早、草龄大,具有极强的竞争能力,能形成危害乃至严重危害免耕麦的首先是这部分看麦娘。目前生产上用绿麦隆防除看麦
No-tillage wheat, especially tillage machine sowing (local stubble), artificial cleavage and pressure plate wheat grass prominent. It is observed that paddy fields harvested in late October, before and after sowing on November 5, see the number of Anemarrhenae can account for 30 to 45% of the total number of grass, although the number of grass in this part of the broadcast than after The number of grass before the winter and more, but the grass early, grass age, with strong competitiveness, can form a serious threat to no-tillage wheat is the first part of this look Aman. At present, the production of chlorotoluron control see Mai