Fluroxypyr at 50ml/667m 2 was the best in control of broadleaf weeds, which two control effect were 93.4% and 97.6%.

• 使它隆 50 ml/ 6 6 7m2 防除阔叶杂草的效果最佳 ；株防效为 93.；4%25；鲜重防效达 97