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分析了甘肃临夏、永靖、皋兰，青海西宁，宁夏西吉，陕西吴旗、榆林，山西河曲等８个种源河北杨人工林的林分结构和生长效果的差异。以现实林分蓄积量为基础，结合试验区技术经济指标，用动态分析方法进行了经济效果评价。结果表明：在甘肃河西中部地区引种陕西吴旗等８个种源是可行的；在相同立地条件下，８个种源林分生产力差异显著，其中青海种源生产力最高，河曲种源最低；优（青海）劣（河曲）种源间、树高、胸径、蓄积量分别相差８．８％、２８．０％、７６．１％，经济效益、净现值、内部收益率等均有明显差异
The differences of stand structure and growth of Poplar plantations in Linxia, Gansu, Yongjing, Gaolan, Qinghai Xining, Ningxia Xiji, Shaanxi Wuqi, Yulin and Shanxi Hequ were analyzed. Based on the actual stand volume, combined with the technical and economic indexes of the experimental area, the economic effect was evaluated by dynamic analysis. The results showed that it is feasible to introduce eight provenances such as Wuqi in the central part of Hexi of Gansu Province. Under the same site conditions, the productivity of the eight provenances was significantly different, among which Qinghai provenances had the highest productivity and lowest meandering provenance (Qinghai) poor (Hequ) provenances, tree height, diameter at breast height, stock volume difference of 8.8%, 28.0%, 76.1%, economic benefits, net present value, internal rate of return were significantly different