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Changes of Soil Moisture Physical Property of Caragana Plantation in Hilly and Gully of Loess Plateau
Authors
刘娜娜
王恒俊
赵世伟
Publication date
1 January 2006
Publisher
Abstract
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46 a柠条林>30 a柠条林和21 a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
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018