１．摸清草情，对路用药　选购使用除草剂前，首先调查、摸清麦田内是单子叶杂草为主还是双子叶杂草为主，然后因草施药。以单子叶杂草为主的麦田在小麦播后至３叶前期，每亩用２５％禾草灵乳油１３０～１８０毫升，采用常规喷雾，返青期施用６．９％骠马浓乳剂９０～１１０毫 1. To find out the grass, the way to buy herbicides before using the first survey to find out whether the monocotyledonous weed-based or dicotyledonous weeds-based, and then because of grass application. The monocotyledonous weedy wheat field was sowed in the wheat to the early stage of the third leaf. It was sprayed with 130-180 ml of 25% Milli