硝酸磷肥是山西化肥厂生产的主要产品，对我省及其它省市的粮、棉、稻、玉米等作物的生产做出了卓越的贡献。本文以硝酸磷、尿素在果树不同生长期予以追肥，证明了硝酸磷肥对苹果树生长结果都有很大的提高，特别是对苹果果实品质的提高更为显著。它将为优质果品生产做出不可磨灭的成绩。 Nitrophosphate is the main product produced in Shanxi Fertilizer Plant and made outstanding contribution to the production of crops such as grain, cotton, rice and corn in our province and other provinces and cities. In this paper, nitrate and urea in the fruit trees in different growth stages to be topdressing, proved nitrate fertilizer on the apple tree growth results have greatly improved, especially for apple fruit quality is more significant. It will make an indelible mark on quality fruit production.