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通过对3科大豆田化学除草方法除草效果的试验，得出大豆播后苗前化学除草是目前大豆生产中行之有效的方法．
Through the experiment on weeding effect of chemical weeding method in 3-field soybean field, it was concluded that pre-emergence chemical weeding of soybean was the effective method in soybean production.