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通过对６种不同除草剂药效筛选结果表明，阔稗威（二氯喹啉酸十苄嘧黄隆）防除稻田杂草效果最好，既能防除禾本科、莎草科杂草，又能兼除阔叶杂草；不同剂量试验，以每公顷用阔稗威有效成分３００克既经济又有效；不同施药方法表明，喷雾略优于撒施毒土，且省工、省时；药害试验在明，在试验用量范围内对水稻安全。大田示范于水稻插秧返青后在公顷用阔稗威３００克喷雾，除草效果达８９．５～１００％，增产１５．１～３０．５％。
Through the screening of 6 different herbicides, the results showed that Hedo Granville (Quinine diphosphate Quinconazole) has the best control effect on weeds in paddy field, which not only can control grasses and sedges, but also In addition to the broad-leaved weeds; different doses of test, with hawaiwei 300 grams per hectare active ingredient is not only economical and effective; different application methods show that the spray is slightly better than poison soil, and labor-saving, time-saving; Experiments in the Ming, the amount of rice in the experimental range of safety. Daejeon demonstrations in the rice planting green after hauling with Granville Granville 300 grams of spray, weeding effect of 89.5 to 100%, an increase of 15.1 to 30.5%.