Effects of Freezing2tha wing on Soil Water2stable Aggregates in Fresh Marsh
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    Abstract:

    Soil water-stable macro-aggregates (>0.25mm) are an important characteristic index of soil ero-sion and soil quality. The effects of freezing-thawing on the content of soil water-stable macro-aggregates in Sanjiang Plain wetlands were studied under different soil water contents,numbers of freezing2thaw cycles,and compaction treatments by indoor incubation experiment. Results showed that the content of soil water-stable macro-aggregate was influenced by the freezing2thawing. The effects of freezing-thawing frequency were more significant compared with compaction and initial soil water content. Before the 4th freezing-thaw cycle,the content of soil water-stable macro-aggregates under different treatments increased with the increas-ing of freezing2thawing frequency. After the 4th freezing-thaw cycle,however,the content at high soil water content did not change obviously and increased slightly.

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秦胜金,刘景双,丁洪,张玉树.冻融对沼泽湿地土壤水稳性大团聚体的影响[J].水土保持通报英文版,2009,(6):115-118

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History
  • Received:April 08,2009
  • Revised:May 25,2009
  • Adopted:
  • Online: November 26,2014
  • Published: