Changes of Soil Moisture Physical Property of Caragana Plantation in Hilly and Gully of Loess Plateau

LIU Nana; ZHAO Shiwei; Wang Henjun

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Changes of Soil Moisture Physical Property of Caragana Plantation in Hilly and Gully of Loess Plateau

- Changes of Soil Moisture Physical Property of Caragana Plantation in Hilly and Gully of Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 25, Issue 3, Pages: 15-17(2006)
- 作者机构：
  
  1. 西北农林科技大学资源环境学院, 陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
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- Published：2006
- 稿件说明：
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LIU Nana, ZHAO Shiwei, Wang Henjun. Changes of Soil Moisture Physical Property of Caragana Plantation in Hilly and Gully of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2006, 25(3): 15-17.
DOI：

LIU Nana, ZHAO Shiwei, Wang Henjun. Changes of Soil Moisture Physical Property of Caragana Plantation in Hilly and Gully of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2006, 25(3): 15-17. DOI：

摘要

对黄土丘陵沟壑区3个种植年限典型的人工柠条林及对照坡耕地和荒坡地表层土壤的几个水分物理常数、水分特征曲线和比水容量进行了测定

结果表明:50 a以内的人工柠条林对土壤的黏化过程已经有一定影响

同时也较明显地改善土壤容重;通过对土壤持水和供水能力的大小比较得出

其持水和供水能力的大小均为46a柠条林>30a柠条林和21a柠条林>荒坡地>坡耕地。由此可见

尽管人工柠条林不能快速地提高侵蚀土壤的发育状况

但能够通过改善土壤持水和供水能力

促进土壤正向发育。

Abstract

Moisture physical constants

soil water characteristic curve and specific water capacity of three Caragana Fabr.in typical planting years were studied by contrasting slope plantations and waste hillside fields.Results showed that Caragana Fabr.physical clay content of soil was less influenced

and soil bulk density was improved obviously within 50 years of plantation.Through comparing with soil's holding and supplying water capability in different plantation years

an obvious trend of 46 a Caragana Fabr.30 a and 21 a Caragana Fabr.slope plantationswaste hillside fields was found.Therefore

Caragana Fabr.plantations may promote the development of soil and improve soil holding and supplying water ability.

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