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3年前我国已有40余种作物应用地膜覆盖技术,面积共2200多万亩,跃居世界首位.其中花生覆盖面积350万亩,仅次于棉花,占第二位.同等条件下盖膜的增产75-125公斤/亩,还出现了万亩500公斤片,亩产最高纪录为746.3公斤.密云县是北京市地膜花生推广最早、面积最大的地区,近几年在应用技术上进行了探索.
Three years ago, China had more than 40 kinds of crop application of plastic film covering an area of more than 2200 acres, ranking first in the world, of which peanut covers an area of 350 hectares, second only to cotton, accounting for the second. The yield of 75-125 kg / mu, but also appeared 50000 mu mu, the highest yield per mu was 746.3 kg .Miyun County, Beijing is the earliest extension of film mulching, the largest area in recent years in the application of technology explore.