Effects on Soil Physicochemical Properties and Anti-erosion Caused by Plant Hedgerows in Three Gorges Reservoir Area

LV Wen-xing; ZHANG Hong-jiang; CHENG Jin-hua; LI Jian-qiang; WANG Xing; WU Yu-he; WANG Ran

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Effects on Soil Physicochemical Properties and Anti-erosion Caused by Plant Hedgerows in Three Gorges Reservoir Area

更新时间：2024-11-07

- Effects on Soil Physicochemical Properties and Anti-erosion Caused by Plant Hedgerows in Three Gorges Reservoir Area
- Vol. 25, Issue 4, (2011)
- 作者机构：
  
  北京林业大学水土保持学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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LV Wen-xing, ZHANG Hong-jiang, CHENG Jin-hua, et al. Effects on Soil Physicochemical Properties and Anti-erosion Caused by Plant Hedgerows in Three Gorges Reservoir Area[J]. 2011, 25(4).
DOI：

LV Wen-xing, ZHANG Hong-jiang, CHENG Jin-hua, et al. Effects on Soil Physicochemical Properties and Anti-erosion Caused by Plant Hedgerows in Three Gorges Reservoir Area[J]. 2011, 25(4). DOI：

摘要

三峡库区坡耕地水土流失严重

已经威胁到库区生态环境及库区安全。利用长期定位小区试验

通过对2种植物篱及对照处理的对比分析

研究不同植物篱对坡耕地土壤理化性质及土壤侵蚀的影响。结果表明:黄荆和紫背天葵2种植物篱处理在不同程度上均改良了土壤物理性质

不同位置土壤养分指标表现为带内最高

带间最低

带上和带下介于两者之间。对照处理土壤养分指标均表现为从坡顶向坡脚逐渐富积的特点。不同植物篱带内土壤抗蚀性的强弱分别为:黄荆(79.2%)>紫背天葵(15.3%)>CK(8.7%)

除了砂粒、粉粒和粘粒含量外

植物篱带内土壤抗蚀指数与其他土壤理化性质间均具有显著或极显著的相关性。植物篱带内土壤抗蚀指数随着土粒浸水时间的增加而减小

两者呈三次多项式函数关系。2种植物篱处理中黄荆改良土壤理化性质、减轻土壤侵蚀的效果优于紫背天葵。

Abstract

The soil erosion of sloping farmed in Three Gorges reservoir area is serious

which has been a threat to the ecological environment and the safety of the reservoir.Based on a 5-year fixed field expermient

an comparative analysis between the 2 hedgerows and CK to research the effects on soil physicochemical properties and soil erosion caused by plant hedgerows was carried out.The results showed that: The two plant hedgerows of Vitex negundo and Begonia fimbristipula had improved soil physical properties to va...

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