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我县大楼乡外岗村四组麦田荠菜发生严重。1985年12月4日我们每亩用25％绿麦隆可湿性粉剂150克+72％2甲4氯钠盐可湿性粉剂35克,兑水40公斤,手动机喷雾作防除试验。试验面积1亩,其中0.5亩用药,0.5亩不用药作对照,用药前对用药区和对照区随机各选定5点(每点1平方尺),记载点内荠菜密度。用药时麦苗平均3.2叶,荠菜平均2.4叶,1986年3月1日调查除草效果,6月1日在小麦收获时测定产量。
County building village outside the village four sets of wheat shepherd’s purse serious. December 4, 1985 We use 25% per acre WP Green WP 150 g + 72% 2 A 4 sodium chloride wettable powder 35 g, watered 40 kg, spray machine for control of the test. Test area of 1 mu, of which 0.5 acres of medication, 0.5 acres without medication for control, medication and control area before treatment were randomly selected 5 points (each point of 1 square feet), record the point shepherd’s purse density. Herbs averaged 3.2 leaves and shepherd’s purse averaged 2.4 leaves. Herbicidal effect was investigated on March 1, 1986, and the yield was measured on the 1st of June when the wheat was harvested.