期刊
PEDOSPHERE
卷 16, 期 3, 页码 304-311出版社
SCIENCE PRESS
DOI: 10.1016/S1002-0160(06)60056-8
关键词
soil erodibility; soil saturated permeability; subtropical China; upland
类别
The relationships between soil erodibility factor (K) and soil saturated permeability (K-fs) for cultivated Acrisols derived from Quaternary red clay and Cambisols derived from red sandstone were studied and quantified using a rainfall simulator and Guelph permeameter in a hilly area of subtropical China. A negative correlation existed between K-fs of the topsoil (0-5 cm) and K. The empirical expression K approximate to- a x K-fs(-b) + C, where a, b and c are the structural coefficients related to soil properties, such as soil type, soil parent material, organic matter, pH and mechanical composition, best described the relationship between soil saturated permeability and soil erodibility.
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