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试验结果表明 ,用 5%韩乐天EC 375～ 4 50ml/hm2 于稗草 3～ 4叶期喷雾 ,对直播稻田稗草、双穗雀稗及一年生多种阔叶杂草均具有较好的防除效果 ,杂草总体防效可达 81.8%以上 ,且对籼稻安全。
The results showed that spraying 3 to 4 leaves of barnyardgrass with 5% Hanroutian EC 375-450ml / hm2 had good control effects on barnyardgrass, paspalum and annual broad-leaved weeds in direct seeding rice fields Effect, the overall weed control effect of up to 81.8%, and indica rice security.