我区于1981年在东台县农科所、大丰县丰富公社进行了棉麦两熟棉田地膜覆盖试验,取得了较好成绩.1982年,8个县的重点产棉公社都进行了地膜棉试验示范,面积发展到2.9万亩.其中棉麦两熟棉田地膜覆盖2.22万亩,一熟棉田地膜覆盖7000亩.据十个示范点考察,一般增产2～3成,40%左右的示范户增产4～5成.同年射阳县推广种植两熟地膜棉1.35万亩,平均亩产119.4斤,比露地棉78.7斤增产51.7%. My district in 1981 in Dongtai County Agricultural Branch, Dafeng County rich commune cotton and wheat double cotton field plastic film mulching test, and achieved good results in 1982, the eight county key cotton communes were cotton mulching test Demonstration, the area developed to 2.9 million mu .Among them, wheat and cotton double crop of cotton mulching 22,200 mu, a mature cotton field covers an area of ​​7,000 mu .According to the ten demonstration sites survey, the general increase of 2 to 3 percent, 40% of the demonstration households increase 4 to 5 into the same year Sheyang County to promote the planting of double-maturing cotton mulberry 1.35 acres, an average yield of 119.4 kg, 78.7 kg more than cotton yield 51.7%.