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[1]ZHANG Jian,LIU Guo-bin,XU Ming-xiang,et al.Soil Physical Properties of Vegetation Secondary Succession on Early Shrub Stage in Loess Hill Gully[J].Research of Soil and Water Conservation,2008,15(04):101-104,109.

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Soil Physical Properties of Vegetation Secondary Succession on Early Shrub Stage in Loess Hill Gully

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 04 Page number: 101-104,109 Column: Public date: 2008-08-20

Title:: Soil Physical Properties of Vegetation Secondary Succession on Early Shrub Stage in Loess Hill Gully

Author(s):: ZHANG Jian¹, LIU Guo-bin^1,2, XU Ming-xiang^1,2, LI Xiao-li², ZHOU Ping²; 1. Northwest A & FUniversity, Yangling, shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, shaanxi 712100, China

Keywords:: loess hill gully; secondary succession; soil physical property; shrub

CLC:: S714.2

DOI:: -

Abstract:: This paper studied the characteristics of soil physical properties during vegetation secondary succession from herb stage to shrub stage in loess hill gully.The results indicated that shrubs soil bulk density,porosity degree,soil infiltration and soil water stable aggregates was better than that of Bothriochloa ischaemun field.But soil water content is an exception.Soil physical properties of shrub tree were higher than that of herb community.The process of vegetation succession is an interaction and complicated changed process between vegetation and soil.Plant-soil interaction is the most important feedback in the processes of restoration and succession.Soil has different degree change with the change of plant communities.Thereinto,the change of different soil physical property factors is reciprocally influencing and relation.The soil infiltration rates has significant linear correlation with soil bulk density,total porosity,capillary porosity and soil water stable aggregate.Capillary porosity has negative linear correlation with non-capillary porosity (P<0.05).Soil bulk density has significant negative linear correlation with total porosity (P<0.01).

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