Soils Permeability on Different Position of Upland Measured by Guelph Method in Hilly Area of South China

YU Dong sheng; SHI Xue zheng

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Soils Permeability on Different Position of Upland Measured by Guelph Method in Hilly Area of South China

- Soils Permeability on Different Position of Upland Measured by Guelph Method in Hilly Area of South China
- Bulletin of Soiland Water Conservation Vol. 21, Issue 1, Pages: 6-9(2002)
- 作者机构：
  
  中国科学院南京土壤研究所,江苏,南京,210008
- 作者简介：
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- Published：2002
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YU Dong sheng, SHI Xue zheng. Soils Permeability on Different Position of Upland Measured by Guelph Method in Hilly Area of South China[J]. Bulletin of Soiland Water Conservation, 2002, 21(1): 6-9.
DOI：

YU Dong sheng, SHI Xue zheng. Soils Permeability on Different Position of Upland Measured by Guelph Method in Hilly Area of South China[J]. Bulletin of Soiland Water Conservation, 2002, 21(1): 6-9. DOI：

摘要

利用Guelph入渗仪研究了我国南方低丘缓坡地不同坡位的土壤渗透性。对第四纪红色黏土和红砂岩发育土壤的研究结果表明，坡地上不同坡位土壤的渗透性差别显著，0-5 cm表层土壤的饱和入渗率Kfs值总是下坡最大；草地上植被覆盖度越高，表层土壤的Kfs值也越大；而旱耕地上表层土壤Kfs值与坡位之间的关系则表现为：下坡>上坡>中坡。

Abstract

Soils permeability

derived from Quaternary red clay soil and red sandstone on three positions of upland are measured by Guelph method in hilly area of south China. The results show that values of saturated hydraulic conductivity of 0-5 cm top soils in down slope are always higher than that in up slope

no matter what kind of land use. It also increases with the increment of plant cover degree in grasses upland

and the relations of top soils permeability on the three positions of tilled upland can be arranged in value as follows: down slope>up slope>mid slope.

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references

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