北华大学学报（自然科学版）2015，Vol.16Issue(5)：671-676,6.DOI:10.11713/j.issn.1009-4822.2015.05.027
乌鲁木齐城市表层土壤盐分特征分析
Analysis on Salinity Characteristics of Topsoil in Urumqi
摘要
Abstract
This study investigates the total salt content and soluble ion parameters of different topsoil types in urban and suburban in Urumqi. The characteristics of soil salinity were used the correlation and principal component methods. The results showed that the average value of the total salt content of the whole study area, suburb unused land,suburb farmland and build-up area increased in turn. The variation coefficients of total salt content in different soil types ranged between 0. 691 and 0. 715, which belonged to the highly variation. The dispersion of total salt content was greater. The contents of Cl-, Na+, Ca2+, SO2-4 were higher, especially SO2-4 . There are significantly positive correlations between the total salt content and Cl-,SO2-4 ,Ca2+,Mg2+,Na+contents and negative correlation between the total salt content and HCO-3 content at the 0. 01 level . Mg2+,SO2-4 ,Ca2+were the characteristic factors to characterize soil salinization of topsoil in Urumqi. The topsoil were non-salinization by classification criterion of soil salinization.关键词
土壤盐分/相关性/主成分分析/乌鲁木齐Key words
soil salinity/correlation/principal component analysis/Urumqi分类
农业科技引用本文复制引用
闫金铎,陈学刚,李江宏..乌鲁木齐城市表层土壤盐分特征分析[J].北华大学学报（自然科学版）,2015,16(5):671-676,6.基金项目
国家自然科学基金项目(41161029,41461033). （41161029,41461033）
