Study on Relationship Among137Cs, Soil Particle and Organic Matter in Loess Plateau

LI Ren-ying; YANG Hao; ZHAO Xiao-guang; TANG Xiang-yu

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Study on Relationship Among137Cs, Soil Particle and Organic Matter in Loess Plateau

更新时间：2024-11-07

- Study on Relationship Among137Cs, Soil Particle and Organic Matter in Loess Plateau
- Vol. 17, Issue 6, Pages: 153-155(2003)
- 作者机构：
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  CLC： S15
- Published：2003
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LI Ren-ying, YANG Hao, ZHAO Xiao-guang, et al. Study on Relationship Among137Cs, Soil Particle and Organic Matter in Loess Plateau[J]. 2003, 17(6): 153-155.
DOI：

LI Ren-ying, YANG Hao, ZHAO Xiao-guang, et al. Study on Relationship Among137Cs, Soil Particle and Organic Matter in Loess Plateau[J]. 2003, 17(6): 153-155. DOI：

摘要

研究了黄土高原地区土壤颗粒及有机质对137Cs分布的影响以及137Cs与有机质的关系.结果表明

137Cs与土壤颗粒的剖面分布趋势并不一致

而只是与某一粒级在某一深度上表现出一致性.137Cs与有机质的剖面分布则因不同的利用方式而有所差异.对于非耕作土壤

137Cs与有机质主要分布在土壤剖面的表层;而对于耕作土壤

由于人为的耕作作用

137Cs与有机质都均匀分布在耕作层中.土壤中的137Cs含量与有机碳含量的相关分析表明

两者之间呈显著相关

Abstract

Influence of soil particles and organic matter on distribution of 137Cs and relationship between 137Cs and organic matter in the Loess Plateau were studied. The results showed that depth distribution pattern of 137Cs wasn't consistent with that of soil particles

only similar to that of certain size soil particles within the surface several centimeters soil. Depth distribution pattern of 137Cs and organic matter depended on the land use. 137Cs and or ganic matter were enriched in the top of soil profile in uncultivated soils. However

depth distribution pattern of 137 Cs and organic matter exhibited uniform pattern in cultivated soils as a result of tillage operation. The relationship between 137Cs and organic carbon was significant at the 0. 01 level with the correlation coefficient of 0. 791.

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