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衡水市桃城区总耕地面积40余万亩,其中棉花种植面积10万亩,占总耕地面积的四分之一,是该区主要经济作物,也是该区经济发展的支柱产业。近两年棉花市场走俏,棉花种植面积不断扩大,但是种植结构的单一,轮作倒茬困难,重茬时间长、品种更换和一些耕作制度的改变等原因,使农田生态环境发生了很大的变化,棉田杂草成为棉花生产的一大灾害,成为广大棉农的心病,成为高产、优质、增效的制约因素之一。针对
The total cultivated area in Taocheng City, Hengshui City, is more than 400,000 mu, of which 100,000 mu is cotton acreage, accounting for one quarter of the total cultivated land area. It is also the major cash crop in the area and also the pillar industry for economic development in this area. In the past two years, the cotton market has been popular and cotton planting area has been expanding. However, the ecological environment of farmland has undergone great changes due to the single structure of planting, the difficulty of stubble rotation, the long time of stubble, the change of varieties and some farming systems. Weeds have become a major disaster in the cotton production and have become the heart disease of the majority of cotton farmers and have become one of the most limiting factors of high yield, quality and efficiency. against