快灭灵与异丙隆混用防除麦田杂草试验表明 :用 40 %快灭灵 3～ 4g +5 0 %异丙隆 12 5 g/6 6 7m2 可有效防除多种杂草 ,药后 140d ,对禾本科杂草的防效为 82 9%～ 87 7% ,对阔叶杂草的防效为 6 8 6 %～ 81 0 % ,总株防效为 77 1%～ 84 9% ,总鲜重防效为 87 6 %～ 92 4%。本试验条件下使用 ,对小麦安全 The combination of clomazone and isoproturon for controlling weeds in wheat field showed that weeds were controlled effectively by 40% quercetin 3 ~ 4g + 50% isoproturon 125 g / 6 6 7m2, The control effect on gramineous weeds was 82 9% ~ 87 7%, that of broadleaf weeds was 68% ~ 81 0%, and that of total plants was 77 1% ~ 84 9% Heavy anti-efficiency of 87 6% ~ 92 4%. Under the conditions of this test, the safety of wheat