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近年来早稻抛秧栽培面积越来越大,由于抛栽水稻没有一定的行株距,人工中耕除草困难,只能施用除草剂。但据笔者调查,很多农户因没有合理选择施用除草剂,不是药效不好,便是发生药害,值得引起注意。一、抛栽早稻田杂草发生特点一般早稻抛栽后需脱水4￣7天,这样有利于水稻扎根,但也
In recent years, the area of early rice throwing cultivation is getting larger and larger. Because of the lack of line spacing and the difficulty of artificial cultivating and weeding, the herbicide can only be applied. However, according to the author’s investigation, many peasant households deserve attention due to the lack of effective efficacy because they do not have a reasonable choice of applying herbicides. First, throwing planted early weeds in early rice characteristics of general throwing throwing transplanting to be dehydrated 4 to 7 days, it is conducive to rice roots, but also