利用74.7％农民乐粒剂防除免耕棉田杂草结果表明:每667m~2用农民乐80g、150g、200g、及100g+禾耐斯50ml,药后20天调查,对杂草的综合株防效分别为78.6％、93.6%、94.7%、94.1%,综合鲜重防效分别为80.5%、93.6％、95.2%、94.2%。从生态经济阈值角度看,防效最好的是150g农民乐,其次是100g农民乐+50ml禾耐斯,该两种处理差异不显著。 The results of using 74.7% Peony Lemongrass to control weeds in no-tillage cotton field showed that: for every 667m ~ 2 peasant music 80g, 150g, 200g, and 100g + Woosi 50ml, They were 78.6%, 93.6%, 94.7% and 94.1% respectively, and the control effect of fresh weight was 80.5%, 93.6%, 95.2% and 94.2% respectively. From the perspective of ecological and economic threshold, the best control effect is 150g peasant music, followed by 100g peasant music + 50ml Wo Ness, the difference between the two treatments is not significant.