Effects of Herba andrographitis Hedgerow on Soil Fractal Characteristics and Erodibility on Sloping Cropland in Three Gorges Reservoir Region

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Effects of Herba andrographitis Hedgerow on Soil Fractal Characteristics and Erodibility on Sloping Cropland in Three Gorges Reservoir Region

更新时间：2024-11-07

- Effects of Herba andrographitis Hedgerow on Soil Fractal Characteristics and Erodibility on Sloping Cropland in Three Gorges Reservoir Region
- Vol. 25, Issue 4, (2011)
- 作者机构：
  
  1. 西南大学资源环境学院三峡库区生态环境教育部重点实验室
  2. 黄土高原土壤侵蚀与旱地农业国家重点实验室
  3. 陕西省定边县水务局
  4. 重庆市渝北区水土保持管理站
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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Effects of Herba andrographitis Hedgerow on Soil Fractal Characteristics and Erodibility on Sloping Cropland in Three Gorges Reservoir Region[J]. 2011, 25(4).
DOI：

Effects of Herba andrographitis Hedgerow on Soil Fractal Characteristics and Erodibility on Sloping Cropland in Three Gorges Reservoir Region[J]. 2011, 25(4). DOI：

摘要

基于土壤颗粒分形维数及EPIC模型研究定植皇竹草植物篱

对三峡库区坡耕地土壤分形特征及土壤可蚀性的影响作用。结果表明:植物篱对坡面土壤粘粒的拦截作用显著

粘粒在篱前富集含量升高;土壤分形维数与土壤砂粒含量呈负相关

与粉粒、粘粒含量呈正相关

总体上表现为:粘粒>砂粒>粉粒

土壤颗粒分形维数值受细颗粒含量的影响作用显著;土壤可蚀性K值与土壤砂粒含量呈极显著的正相关

相关系数为0.870;与土壤粉粒含量、粘粒含量、有机碳含量、团聚度及土壤颗粒分形维数呈负相关

Abstract

On the bases of the soil particle

fractal dimension and EPIC model

the effects of planting Herba andrographitis hedgerows on soil fractal feature and soil erodibility on sloping cropland of the Three Gorges reservoir area were studied.The results showed that: The hedgerows had a significant effect on interception of soil clay particles on slope

clay particles reached an enrichment around the hedgerows

and soil clay particles contents increased;Soil fractal dimension was correlated positively with silt and c...

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