山东省平度县张戈庄乡1983年推广花生地膜覆盖1000亩,其中承担山东省高产中间试验22亩,平均亩产513.6公斤,首次突破了千斤关。1984年1223亩的千亩千斤开发试验,平均亩产511.8公斤,1985年拟定了万亩千斤开发试验方案,10775.7亩平均亩产504.9公斤,为大面积推广提供了可靠的经验。一、花生地膜覆盖增产的原因 Zhang Gezhuang Township, Pingdu County, Shandong Province in 1983 to promote peanut plastic covering 1,000 acres, of which commitment to middle-yield high-yielding experiment in Shandong Province 22 acres, an average of 513.6 kilograms per mu, for the first time exceeded the threshold. In 1984 1223 acres of acres of hard development test, an average yield of 511.8 kilograms, in 1985 developed a million mu jin development pilot program, 10775.7 mu average yield 504.9 kilograms, for large-scale promotion provides a reliable experience. First, peanut mulch coverage of the reasons for the increase