大蒜播种后出苗时间较长,加上叶片窄长,地面长期不能形成郁闭状态,因而极有利于杂草的滋生繁殖,因而蒜田杂草种类多,危害时间长,现将其杂草的综合防除法介绍如下:蒜田杂草种类及危害特点。大蒜田杂草种类多,主要以荠菜、繁缕、马唐、牛筋草、早熟禾、棒头草、稗草等为主。大蒜生育期长达200多天,从种到收有早秋、晚秋、早春、晚春四个时段的杂草危害,一般使大蒜减产25%~30%,严重的减产 Garlic after planting a longer time, coupled with long narrow leaves, the ground can not form the long-term closed state, which is very conducive to the breeding of weeds, so many types of garlic weeds, a long time, now weeds Integrated Control Law introduced as follows: Garlic weed species and hazardous characteristics. Garlic field weeds and more, mainly shepherd’s purse, chickweed, crabgrass, tendon grass, Kentucky bluegrass, barnyard grass, barnyardgrass and other mainly. Garlic growth period of up to 200 days, from planting to harvest early autumn, late autumn, early spring, late spring four weed hazards, the general reduction of 25% to 30% of garlic, a serious cut