兰州市郊园林绿化土壤改良培肥效果试验初报  

Preliminary study on amendment effect of soil for horticulture in suburb of Lanzhou City

作　　者：史久英[1] 吴永华 许宏刚 张建旗 

机构地区：[1]甘肃省农业科学院农业质量标准与检测技术研究所,甘肃兰州730070 [2]兰州市园林科学研究所,甘肃兰州730070

出　　处：《草原与草坪》2015年第1期73-77,共5页Grassland and Turf

基　　金：国家科技支撑项目"黄土丘陵-风沙区生态修复技术集成与试验示范"(2011BAC07B05-05)资助

摘　　要：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.

关 键 词：土壤改良 培肥效果 小叶扶芳藤 

分 类 号：S156[农业科学—土壤学]