Saline-alkali soil characteristics and improvement in coastal area

被引：0

作者：

Li, Suyan ^{[1
]}

Zhai, Penghui ^{[2
]}

Sun, Xiangyang ^{[1
]}

Zhang, Tao ^{[1
]}

Zhang, Donghua ^{[3
]}

Wang, Linlin ^{[1
]}

Zhang, Wei ^{[1
]}

机构：

[1] College of Forestry, Beijing Forestry University, Beijing

[2] Beijing Orient Landscape Limited Liability Company, Beijing

[3] The Forestry Workstation in Coastal District of Tianjin, Tianjin

来源：

Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | 2014年 / 22卷 / 06期

关键词：

Coastal saline-alkali soil; Isolation layer; Principal component analysis; Soil improvement; Zeolite;

D O I：

10.16058/j.issn.1005-0930.2014.06.003

中图分类号：

学科分类号：

摘要：

Correlation analysis and principal component analysis(PCA)were used to estimate the characteristics of saline-alkali soil and three soil improvement ways, with ceramicite, vermiculite and zeolite set at the bottom and side wall of pits as the salt-isolated layer, were applied in the field afforestation experiment in Dagang District, Tianjin. The results showed that the soils were heavy chloride saline, Cl-, K++Na+, Ca2+ and Mg2+ were the characteristic factors, and K++Na+, Cl- were the predominant factors; Three treatments had significant effects on salt-reduction(p<0.05); The desalting ratios of ceramicite, vermiculite and zeolite were 17.5%, 32.9%and 58.6%, respectively; Zeolite was not only the most effective salt-reduction material but also useful for controlling soil alkalization, decreasing soil bulk density and increasing soil porosity. ©, 2014, The Editorial Board of Journal of Basic Science and Engineering. All right reserved.

引用

页码：1069 / 1078

页数：9

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