针对兰州市绿化用土的盐分含量高、养分含量低且绿化用土不足的现状,以兰州市郊低山丘陵前沿台坪阶地黄绵土为研究对象,用小叶扶芳藤为指示植物,进行了7种土壤改良剂的培肥改良试验,测定了0~10、10~20和20~40 cm 土层土壤有机质、有效磷,速效钾,pH,电导率含量和小叶扶芳藤的成活率。结果表明：供试的7种改良剂均能不同程度提高土壤养分和小叶扶芳藤的成活率,在0~40 cm 土层,随着土壤深度的增加培肥效果呈下降的趋势,综合评定施用后的电导率、pH、有机质等指标,以处理7(羊粪+磷肥+尿素)的培肥效果最为显著。%In order to resolve the soil problems of high salt content,low nutrients content for landscape greening in Lanzhou City,the treatments on improving terrace upper soil (0~10,10~20 and 20~40 cm)were carried out by using Euonymus fortunei var.radicans as the indicative plant and 7 soil amendments.The result showed that 7 soil amendments could improve the soil nutrition and the survival rate of Euonymus fortunei .A-long with the soil depth,the effect showed a decreasing trend.Treatment 7 (sheep dung+phosphate+urea) performed best based on the integrated evaluation with soil electric conductivity,pH value and organic matter content.
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