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[1]WANG Pei,GUO Tianlei,GAO Qiang,et al.Effect of Different Bio-Bank Models on Soil Anti-Erodibility of Sloping Farmland in Sichaun Hilly Basin[J].Research of Soil and Water Conservation,2018,25(01):7-11.

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Effect of Different Bio-Bank Models on Soil Anti-Erodibility of Sloping Farmland in Sichaun Hilly Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 01 Page number: 7-11 Column: Public date: 2018-02-28

Title:: Effect of Different Bio-Bank Models on Soil Anti-Erodibility of Sloping Farmland in Sichaun Hilly Basin

Author(s):: WANG Pei¹, GUO Tianlei², GAO Qiang², LIU Cheng², SHI Jinsong²; 1. Changjiang Water Resources Protection Institute, Wuhan 430051, China;
2. Changjiang River Scientific Research Institute of Changjiang Water Resources Commission, Wuhan 430019, China

Keywords:: bio-bank model; anti-erodibility; sloping farmland; purple soil

CLC:: S157.1

DOI:: -

Abstract:: In order to probe into the soil anti-erodibility characteristics and influences of 4 bio-banks on sloping farmland in purple soil area, this paper presents a comprehensive analysis of soil anti-erodibility in the models of soil bunds with mulberry, Chinese prickly ash, alfalfa and natural grass on sloping farmland in purple soil area through both field survey and indoor analysis. The result shows that:(1) the bio-bank approach increases the moisture of soil and content of soil organic matter effectively, improves the soil structure; (2) through principal component analysis, the comprehensive index of soil anti-erodibility in 4 sloping farmland bio-bank models decreases in the order:HJ > SS > ZH > CK. And their anti-erodibility decreases in the order:HJ > SS > ZH > CK; (3) correlation analysis indicates that soil anti-erodibility has obvious correlations with soil moisture, organic matter, bulk density, porosity and mechanic composition. The results may provide basis for controlling soil and water loss in purple soil area.

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