代县玉米田化学除草研究

Corn Field Chemical Weed Control Research

通过调查代县玉米田杂草发生、危害及化学除草情况,代县玉米田杂草共有30科、130余种,造成危害的杂草约占20%。代县玉米田化学除草总面积达到0.7×104hm^2,占到玉米田杂草发生面积的82.3%,除草效果平均达到85%以上。在此基础上分析了化学除草存在的问题,提出今后防治策略。

This paper did survey on weeds,harm and chemical weed control,daixian county has corn field weed 30 families,more than 130 kinds,damage weed accounts for about 20%,corn fields chemical weed control with a total area of 0.71 x 104 hm^2,covered 82.3% of the corn field weed occurrence area,On the basis of analyzing the problems of chemical weed control.This paper analyzed the problems of chemical weed control on the basis,and putted forward the prevention and control of strategy for the future.