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《Bulletin of Soil and Water Conservation》 2001-03
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Benefits of Different Age Forest Vegetation on Soil Fertilization and Amelioration

AN Shao shan 1,2 , CHANG Qing rui 2, LI Bi cheng 1, GAO Ya jun 2, MENG Qing xiang 2 (1.Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shaanxi Province, PRC; 2.Resource  
Forest vegetation can ameliorate obviously eco environment, prevent land deterioration, improve the content of soil organic matter and available N, K, and drop soil pH and bulk density, add remarkably the quantity of water aggregate(0.25 mm) and micro aggregate(50 μm) of soil, which can make soil construction better, improve the capacity of providing nutrient and water, enhance the formation of clay and more solidity, increase soil anti erodibility and anti scourability and decrease effectively soil and water loss. Vegetation fertilized and ameliorated soil mechanism is a right direction of abiding feedback, long time and more benefits.
【Fund】: 国家“九五”科技攻关项目 (96 - 0 0 7- 0 1 - 0 1 - 0 2 )部分研究内容
【CateGory Index】: S714.8
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