沈阳市新城子区道义乡郭七村种植专业户荆永德,用黑龙江省肇东县农业机械厂产的“丰收二卧”玉米联合收割机采收承包的327亩玉米,他用拖拉机代五铧犁将粉碎后的玉米骨及秸秆翻埋在18厘米深的土层里,使土壤增加了大量的有机质.今年春天播种时,他用气吸式播种施肥机将每亩15公斤尿素和15公斤磷酸二铵一次深施在地里, Jingyoude, a specialized plantation of Guoqi Village, Daoyi Township, Xinchengzi District, Shenyang, harvested 327 mu of contracted corn from a “harvest two-bed” corn harvester produced by Zhaodong Agricultural Machinery Factory in Heilongjiang Province. He used a tractor to substitute five plowshares The crushed corn bones and straw buried in 18 cm deep soil, so that the soil increased a lot of organic matter.In this spring sowing, he used air suction sowing fertilizer machine will be 15 kilograms per mu of urea and 15 kg of phosphate Ammonium applied to the ground once,