看麦娘是喜湿性麦田恶性杂草,广泛分布于我省低平地区中性一微酸性稻田土壤上,在稻麦连作条件下发生密度大,为害严重。七十年代起随稻麦两熟制面积扩大,为害面积发展到近千万亩。在传统耕作制度下,稻田土壤粘重,犁反后土垡大,播麦时难以正碎正细,且秋播后各地区有三分之一至二分之一年份干旱少雨,播后施用绿麦隆等土壤处理除草剂常因表土干燥,药剂不易渗入土壤,影响药效发挥。十多年来绿麦隆防除看麦娘虽达到一定面 Anemarrhena mays is a kind of malignant weed, which is widely distributed in the neutral and slightly acidic paddy soils in the lowland area of ​​our province. Since the seventies, with rice and wheat two cooked area expanded, the damage area of ​​nearly 10 million mu. Under the traditional tillage system, paddy soil sticky, plowed after the soil is large, it is difficult to sow the broken fine, and autumn after sowing one third to one half of the region arid, rain after sowing application Chlormequat and other soil treatment herbicides often due to dry topsoil, the agent is not easy to infiltrate the soil, affecting the efficacy of play. More than a decade to control Ametrine chlorpheniramine to see Although a certain surface