如皋地处长江下游北岸，是江苏省沿江棉区之一。本区棉花生育期雨水充沛，温度适宜，有利于各类杂草滋生，对棉花生长发育造成一定影响。且996～1997年笔者通过普查和定点调查，基本摸清了本地区麦后棉田杂草种类、分布及消长规律，开展了农业、化学等方法防除棉田杂草，为大面 Rugao is located in the north bank of the lower reaches of the Yangtze River, is one of the cotton area along the Yangtze River in Jiangsu Province. The rainy season cotton growing season, the temperature is suitable for all kinds of weeds breeding, growth and development of cotton have a certain impact. And 996 ~ 1997, the author through census and sentinel surveys, basically find out the weed cotton fields in the region weed species, distribution and growth and decline of the law, carried out agriculture, chemical and other methods to control cotton weeds, for the large