新疆玛纳斯河流域土壤盐分特征研究
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公益性行业(农业)科研专项经费项目(200903001)和公益性行业(海洋)科研专项经费项目(201105020)资助


Soil salinity characteristics of Manas River valley in Xinjiang
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    摘要:

    以新疆玛纳斯河流域为研究区,结合面域土壤性状调研,利用相关分析和主成分分析方法对区域土壤盐分特征进行研究。结果表明,研究区域土壤盐渍化类型以硫酸盐为主,剖面土壤盐分含量呈现底聚分布特征;土壤盐分含量与SO42-、Ca2+离子含量呈极显著正相关;各层土壤盐分阴离子以SO42-为主,阳离子以Ca2+为主;SO42-、Ca2+、Mg2+及土壤盐分含量(St)是表征玛纳斯河流域土壤盐渍化的主要特征因子。本研究将为新疆玛纳斯河流域土壤资源可持续利用提供重要的理论依据。

    Abstract:

    Characteristics of the soil salinity of the Manas River Valley in Xinjiang was studied using correlation analysis and principal component analysis methods, in combination with regional investigation of soil properties. Results show that the soils in this region are of the type of soils salinized mainly with sulfate, and of the grades of severely and moderately salinized soils. Profile distribution of soil salinity of the soils is characterized by bottom accumulation. Soil salt content (St) is in significant positive correlation with content of SO42- and Ca2+. SO42-is the dominant anion while Ca2+ the dominant cation of the salts distributed in all layers of the soil profile. SO42-, Ca2+, Mg2+ and St are the eigenfactors to characterize soil salinization of the Manas River Valley. This study will provide an important theoretical basis for sustainable utilization of the soil resources in the Manas River valley of Xinjiang.

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吕真真,刘广明,杨劲松.新疆玛纳斯河流域土壤盐分特征研究[J].土壤学报,2013,50(2):289-295. DOI:10.11766/trxb201206150236 Lü Zhenzhen, Liu Guangming, Yang Jingsong. Soil salinity characteristics of Manas River valley in Xinjiang[J]. Acta Pedologica Sinica,2013,50(2):289-295.

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  • 收稿日期:2012-06-15
  • 最后修改日期:2012-10-16
  • 录用日期:2012-10-31
  • 在线发布日期: 2012-12-24
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