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婆婆纳是我县麦田中的一种恶性杂草,主要分布在棉、旱粮地区,平均密度每平方尺5.49株,为害严重的田块,每平方尺高达39株。婆婆纳与麦子争肥、争水、争光,人工难以拔除。近年来,由于实行家庭联严承包责任制,统一轮作换茬难以进行,使得麦田婆婆纳为害损失更加突出。为探索婆婆纳的有效防除方法,本站进行了绿麦隆与杀草丹混用试验,现将试验小结如下:
Veronica is a vicious weed in the county wheat field, mainly in cotton, dry grain areas, the average density of 5.49 per square foot, severely damaged plots, up to 39 per square foot. Granny and wheat fight fat, fight for water, win glory, artificial difficult to remove. In recent years, due to the implementation of family joint-stock contract responsibility system, it is difficult to carry out the unified rotation of crops, making the damage caused by the grandmother in the wheat field even more prominent. In order to explore the effective prevention and treatment of the mother-in-law, the site of chlorotoluron and herbicide Dan Dan mixed test, the test summary is as follows: