冬油菜是甘肃省庆阳市西峰区的主要油料作物,对增加农民收入非常重要。西峰区冬油菜常年种植面积8万亩左右,占整个油料作物的80%。在冬油菜生产中,普遍存在着施用氮、磷、钾肥搭配不合理以及施肥时期、施肥方法不当等问题,导致化肥利用率低,不仅增加种植成本,降低农业生产效益,还造成了资源浪费和环境污染。因此,根据当地土壤肥力状况,研究合理的施肥方案,对降低农业生产成本,提高作物产量和保护环境都具有 Winter rapeseed is the major oilseed crop in Xifeng District, Qingyang City, Gansu Province, which is very important for increasing farmers’ income. Xipeng winter rapeseed perennial planting area of ​​about 80000 acres, accounting for 80% of the entire oilseed crop. In winter rapeseed production, there are common problems such as irrational application of nitrogen, phosphorus and potassium fertilizers and improper fertilization methods, resulting in low utilization of chemical fertilizers, not only increasing plantation costs, reducing agricultural production benefits, but also causing waste of resources and Environmental pollution. Therefore, according to the status of local soil fertility, research on reasonable fertilization programs has the following benefits: reducing agricultural production costs, increasing crop yields and protecting the environment