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[1]ZHANG Fei,CHEN Yun-ming,WANG Yao-feng,et al.Effects of Caragana korshinskⅡ Plantation on Soil Physical Properties and Organic Matter in Semi-arid Loess Hilly Region[J].Research of Soil and Water Conservation,2010,17(03):105-109.

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Effects of Caragana korshinskⅡ Plantation on Soil Physical Properties and Organic Matter in Semi-arid Loess Hilly Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 03 Page number: 105-109 Column: Public date: 2010-06-20

Title:: Effects of Caragana korshinskⅡ Plantation on Soil Physical Properties and Organic Matter in Semi-arid Loess Hilly Region

Author(s):: ZHANG Fei¹, CHEN Yun-ming², WANG Yao-feng³, WANG Lin-lin¹; 1. College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
3. Xi’an Center of Agricultural Machinery Monitoring and Extension, Xi’an 710065, China

Keywords:: Caragana korshinskⅡ plantation; loess hilly region; physical property; organic matter

CLC:: S157.5;S181

DOI:: -

Abstract:: Based on field investigation and analysis in lab, the variation of physical properties and organic matter of soil under impacts of Caragana korshinskⅡ plantation with different ages in loess hilly region were studied in this paper. The results showed that as age grew, Caragana korshinskⅡ plantation could increase silt and clay proportions in soil but lower the bulk density (except 50 years old plantation), besides, improve the soil porosity, promote positive development of the soil. In the aging process of Caragana korshinskⅡ plantation, the content of water stable aggregate>5 mm gradually increased; the content of water stable aggregate>0.25 mm and organic matter declined at first, then increased. Caragana korshinskⅡ plantation had the most obvious improving effect on physical properties of top soil layer. But deeper the soil profile was, the weaker the effect was.

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