我国亚热带土壤可蚀性的对比研究
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* 国家自然科学基金资助(批准号:49571045)


COMPARISON OF SOIL ERODIBILITY FACTOR K MEASURED BY FIELD PLOTS UNDER RAINFALL SIMULATOR AND NATURAL RAINFALL
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    摘要:

    本文用人工模拟降雨法和田间实测法对比研究了我国亚热带七种有代表性土壤的可蚀性,结果表明,两种方法测得的土壤可蚀性K值都以红砂岩发育的(耕作)铝质湿润淋溶土和紫色砂页岩发育的紫色湿润雏形土为最高,最低的是第四纪红色粘土发育的红色湿润新成土。本文还对每个供试土壤分别建立了这两种条件下求得K值间的定量关系,为今后利用人工模拟降雨试验开展各种研究提供了基础。

    Abstract:

    Soil erodibility factor K of seven representative soil types in subtropical China was studied using field plots under rainfall simulator and natural rainfall respectively.The results showed that soil erodibility factor K of tilled Alfisol derived from red sandstone and Cambisol on purple shale was the highest, and of eroded Entisol derived from Quaternary red clay was the lowest. The relationships between soil erodibility factors measured by rainfall simulator and natural rainfall were also established respectively.

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邢廷炎,史学正,于东升.我国亚热带土壤可蚀性的对比研究[J].土壤学报,1998,35(3):296-302. DOI:10.11766/trxb199608290302 Xing Ting-yan, Shi Xue-zheng, Yu Dong-sheng. COMPARISON OF SOIL ERODIBILITY FACTOR K MEASURED BY FIELD PLOTS UNDER RAINFALL SIMULATOR AND NATURAL RAINFALL[J]. Acta Pedologica Sinica,1998,35(3):296-302.

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  • 收稿日期:1996-08-29
  • 最后修改日期:1997-09-18
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  • 在线发布日期: 2013-02-25
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