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[1]JING Feng,ZHU Jin-zhao,ZHANG Xue-pei,et al.Comparative Study on Water-Salt Dynamic of Platform Field in Coastal Argillaceous Saline-alkali Land[J].Research of Soil and Water Conservation,2009,16(05):104-109.

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Comparative Study on Water-Salt Dynamic of Platform Field in Coastal Argillaceous Saline-alkali Land

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 05 Page number: 104-109 Column: Public date: 2009-10-20

Title:: Comparative Study on Water-Salt Dynamic of Platform Field in Coastal Argillaceous Saline-alkali Land

Author(s):: JING Feng¹, ZHU Jin-zhao¹, ZHANG Xue-pei¹, ZHANG Hong-li², LI Guo-hua¹, YUE Zeng-bi¹, YUN Bo-lan¹, CAO Bo¹; 1. Key Laboratory of Soil & Water Conservation and Desertification Control, College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China;
2. Shanxi Research Institure of Investigation & Design of Water Conservancy & Hydropower, Taiyuan 030002, China

Keywords:: salinized land; water-salt dynamic; insulating hidden of two layers; platform field; water content; salt content; desalination ratio

CLC:: S156.4

DOI:: -

Abstract:: Water-salt dynamic of five different platform fields by insulating hidden of two layers were researched in coastal argillaceous saline land of Tangshan from the prepared of platform field and the date collection of the water-salt dynamic.Results showed that,the experimental plot is easily lead to salt accumulated which the water table was above the critical depth.There is a close relation between the water content and salt content,from spring to autumn,the ‘down-up’ process of water and salt appears in soil surface layer,it is inversely which water showed ’up-down’ and the salt changed as opposite trend in soil middle and deep layer.After the build of platform field,the soil of platform field which from heavey salinized soil into slinized soil is appropriate to growth by saline-alkali tolerant tree species.The effect of desalination is obvious in the platform field which lying the insulating hidden layers.The best effect of desalination is the layers by grass and gravel which the desalination ratio as high as 30.46%,then load decreased with the order of grass and slag,grass and plastic film,grass and garbage architecture,control platform field.

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