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近几年来，菏泽市玉米田化学除草面积逐年增加，但除草剂使用中存在不少问题，致使部分地块除草效果不够理想。为此，２００１年我们就４０％乙·莠悬乳剂（商品名玉米宝，下称）除草剂的使用技术进行了认真的调查研究。化学除草中的主要问题：一是药液量偏少。玉米田化学除草
In recent years, Heze cornfield chemical weeding area increased year by year, but there are many problems in the use of herbicides, resulting in part of the effect of weeding less than ideal. To this end, in 2001 we conducted a serious investigation on the use of 40% B herbicide (trade name cornbock, hereinafter) herbicide. Chemical weeding in the main problems: First, the amount of liquid less than normal. Corn field chemical weeding