Research on Soil Potassium Loss by Erosion in Loess Area

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Publication date
1 January 2002
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Abstract

通过不同坡度人工模拟冲刷试验 ,初步分析了黄土区土壤钾素径流流失规律。结果表明 :随径流流失的离子钾浓度随坡度的增大而增大 ;土壤钾的流失量与坡度呈指数函数关系 ;不同形态的钾在泥沙中有富集现象 ;钾主要是以不溶态的形式随泥沙迁移 ,缓效钾主要随土流

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    Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources

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