[1]LUO Lanhua,WANG Cuihong,XIE Hongxia,et al.Study on Vertical Differentiation of Anti-Erodability of Soil Developed from Granite Weathering in Dawei Mountain[J].Research of Soil and Water Conservation,2018,25(01):62-65,71.
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Study on Vertical Differentiation of Anti-Erodability of Soil Developed from Granite Weathering in Dawei Mountain
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
25
Number of periods:
2018 01
Page number:
62-65,71
Column:
Public date:
2018-02-28
- Title:
- Study on Vertical Differentiation of Anti-Erodability of Soil Developed from Granite Weathering in Dawei Mountain
- CLC:
- S157.1
- DOI:
- -
- Abstract:
- In order to study the vertical differentiation of anti-erodability of soil developed from granite weathering, we collected soil samples developed from granite weathered materials in Dawei Mountain Liuyang City, Hu’nan Province. The soil organic matter, agglomeration status, agglomeration degree, dispersion rate and > 0.25 mm water stable aggregate content were selected and soil erodibility K value was calculated by EPIC model to study vertical differentiation characteristics of soil anti-erodability. The results showed that with increasing altitude, the soil agglomeration status, agglomeration degree and soil erodibility K value increased, the trend was significant; the soil dispersion rate increased, the trend was not significant; and the content of organic matter and > 0.25 mm water stable aggregate content had little correlation with altitude. The anti-erodability of soil developed from granite weathering in Dawei Mountain was weak, and the soil is easy to be eroded, but erodability was different due to the different physiognomy positions, soil types and vegetation coverage. In general, the soil anti-erodability showed a decreasing trend with the increase of altitude, but the trend was not significant.
- References:
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1900-01-01