我区从80年开始,在黄粘土上试种1.2亩地膜花生,亩产642.6斤;81年在各种不同类型土壤上扩大示范,面积达139亩,平均亩产531斤,比未盖膜的增产259.4斤;82年在前两年的基础上,推广面积达4227亩,在花针期前,长达两个多 My area from 80 years on the yellow clay planted 1.2 acres of plastic film peanuts, 642.6 kg per mu; 81 years in various types of soil to expand demonstration, an area of ​​139 acres, an average of 531 kg per mu, Of the increase of 259.4 kg; 82 years on the basis of the previous two years, the promotion of an area of ​​4227 acres, before the needles, up to more than two