8.8 %精克草能可以有效防除棉田禾本科杂草 ,其中剂量防效与 5 %精禾草克在推荐用量上防效相当。建议用 8.8%精克草能 45 0～ 5 2 5 ml/ hm2 对水 6 0 0 kg/ hm2 于禾本科杂草 3～ 5叶期喷施为宜。 8.8% Jing Ke grass can effectively control cotton grass weeds, which dose control and 5% fine grass grass grams in the recommended amount of control effect is quite. It is advisable to spray water at a rate of 45 0-525 ml / hm2 with water of 060 kg / hm2 on grass weeds at 3-5 leaf stages with 8.8% of refined grass.