The field plot trial on effect of the mixture of acetochlor and metribuzin on weeds control in maize field were conducted at Zhangzhun during 2003 for weed control in maize field were evaluated. The results showed that: Using the mixture at the dosage of 1049.95~1259.94(g·ai)/hm2,the control effect was more than 87.05 %.28 % Acetochlor + Metribuzin was safe to maize at all rates tested, and the yields were increased 14.4 % than CK.
