一、示范品种示范品种为国抗棉１号，对照为泗棉３号和苏棉２号，均为包衣种。二、示范方法试验地点，选择以丘岗地区为代表的肥西县高刘镇；试验地土壤为马肝土，肥力中等以下，冬闲田。３个品种各８亩，分品种相连种植，密度３０００株／亩。国抗棉１号全生育过程不防治棉铃 First, the demonstration varieties Demonstration varieties for the national resistance cotton 1, the control for Simian 3 and Su cotton 2, are coated species. Second, the demonstration method test sites, select the hillock area represented by Feixi Gao Liu Zhen; test soil is Ma liver soil, fertility below the middle of the winter leisure field. Three varieties of 8 acres, divided varieties planted, density 3000 plants / mu. National Anti-cotton 1 full growth process does not prevent cotton boll