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灭生性除草剂

名词解释题
2021-12-30 12:08
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正确答案
在一定的用量范围内,对绝大多数植物的活性一致辞,能杀死绝大多数植物的除草剂。

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使用除草剂防除棉田杂草主要有土壤处理法和()两种方法。
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机械除草是利用各种形式的除草机械和表土作业机械切断草根,干扰和抑制杂草生长,达到控制和()杂草的目的。
机械除草是利用各种形式的除草机械和表土作业机械()草根,干扰和抑制杂草生长,达到控制和清除杂草的目的。
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在成熟的草坪上,目标杂草萌发前使用的除草剂通常为()除草剂。
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