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黄平县有不少麦田,野豌豆杂草为害相当严重,造成麦苗发黄枯死,对产量影响很大。 为了防除野豌豆等麦田杂草,78年我们在旧州公社文丰大队的两个生产队,选用二甲四氯除草剂进行了大面积试验,喷药的10亩麦田,除草效果较好。与此同时,在野豌豆特多的麦田,于不同的生育期,采取不同的浓度和施药时间进行对比试验,取得如下结果:
Huangping County has many wheat fields, wild pea weeds damage is very serious, resulting in yellowish wheat seedlings dead, a great impact on the yield. In order to control weeds such as wild peas, we conducted a large-scale test in 1982 in two production teams of the Wenfeng Brigade of the Old State Comm., Choosing the MCPA herbicide. At the same time, in the field of wild pea Trinidad, at different growth stages, take different concentrations and application time comparison test, the following results were obtained: