稻田杂草,是水稻高产稳产的一大障碍,摸清稻田杂草的分布特点和危害规律,是探索经济有效的防除方法的基础工作。协作组四年来对全市8个县(区)的61个公社、308个大队、782个生产队、3051块计28744.3亩秧田,采取点面结合、目测分级和取样计数相结合的调查研究基本上摸清了盐城地区稻田杂草的种类、分布及危 Paddy weeds, rice is a major obstacle to high and stable yield, find out the distribution characteristics of weeds and rice law of damage, is to explore cost-effective method of prevention and control of the basic work. In the past four years, the collaborative group conducted a survey on a total of 61 communes, 308 brigades, 782 production teams and 28744.3 mu of seedlings in 8 counties (districts) in the city. Find out the type, distribution and danger of weeds in Yancheng area