玉米秸秆还田,在新乐县门镇大队自1973年开始,连续进行了12年,收到良好效果。改良了土壤,培肥了地力,与每年亩施粗肥5方相比,有机质增0.19%.含氮增0.014%,速效磷增5.4PPm,土壤质地由沙壤变为轻壤。秸秆还田的技术是:一,适时早收玉米,用铡草机铡成1—2寸长,掺土,加水,每亩掺10—12个纯磷的磷吧,发酵3—5天(时间越长越好),利用高温、加快微生物 Corn stalks return to field, in the town of Xinle County gate brigade since 1973, for 12 consecutive years, received good results. The soil was improved and soil fertility was improved. Compared with the 5 mu per mu of crude fertilizer per mu, organic matter increased by 0.19%, nitrogen content increased by 0.014%, available phosphorus increased by 5.4ppm, soil texture changed from sandy soil to light soil. The technology of straw returning: First, timely harvest of corn, with a lawn mower into a 1-2-inch long, mixed with soil, add water, per acre mixed with 10-12 phosphorus phosphorus, fermentation 3-5 days ( The longer the better), the use of high temperature, speed up the microorganisms