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›› 2007, Vol. 43 ›› Issue (zk): 77-82.

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Advances in Influence Factors of Aggregate Stability under Erosion

Zhang Qi1,Fang Hailan1,Shi Zhihua2,Li Zhaoxia2,Cai Chongfa2   

  1. 1. Shanghai Institute of Landscape Gardening Shanghai 200232;2. College of Resource and Environment,Huazhong Agricultural University Wuhan 430070
  • Received:2006-04-25 Revised:1900-01-01 Online:2007-10-25 Published:2007-10-25

Abstract: Soil aggregate is the basic unit of soil structure,and its stability is one of the important factors to influence soil erosion.Based on reviewing the history and present situation of the study on soil aggregates,the developments in forming mechanism,the chemical factors influencing aggregate stability and the breakdown mechanism were summarized.The main chemical factors include organic matter,sesquioxides,exchangeable Na and mineralogical properties.

Key words: soil aggregate, stability, soil erosion