Effect of different sulfur fertilizers and flooding regimes on availability and distribution of copper in polluted paddy soils(不同形态硫肥和淹水时间段对污染水稻土中铜活性和分布的影响)

ZHUShenhai(朱神海); YANGJianjun(杨建军); SUNLijuan(孙丽娟); SHIJiyan(施积炎)

doi:10.3785/j.issn.1008-9497.2014.03.019

Zhejiang Daxue xuebao. Lixue ban (May 2014)

Effect of different sulfur fertilizers and flooding regimes on availability and distribution of copper in polluted paddy soils(不同形态硫肥和淹水时间段对污染水稻土中铜活性和分布的影响)

ZHUShenhai(朱神海),
YANGJianjun(杨建军),
SUNLijuan(孙丽娟),
SHIJiyan(施积炎)

Affiliations

ZHUShenhai(朱神海): Environment and Resources Institute, Zhejiang University, Hangzhou 310058, China(浙江大学环境工程系，浙江　杭州　310058)
YANGJianjun(杨建军): Environment and Resources Institute, Zhejiang University, Hangzhou 310058, China(浙江大学环境工程系，浙江　杭州　310058)
SUNLijuan(孙丽娟): Environment and Resources Institute, Zhejiang University, Hangzhou 310058, China(浙江大学环境工程系，浙江　杭州　310058)
SHIJiyan(施积炎): Environment and Resources Institute, Zhejiang University, Hangzhou 310058, China(浙江大学环境工程系，浙江　杭州　310058)

DOI: https://doi.org/10.3785/j.issn.1008-9497.2014.03.019
Journal volume & issue: Vol. 41, no. 3
pp. 331 – 337

Abstract

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考察了不同类型的硫肥和淹水时间段对污染水稻土中铜活性和分布的影响，实验结果表明，硫肥种类和淹水时间段显著改变了水稻土的基本理化性质和土壤的铜硫有效性及其空间分布规律.硫酸铵(AS)主要在淹水前期显著降低土壤溶液的pH值，抑制土壤有效态铜硫的释放，提高水稻土氧化性；硫包膜尿素(SCU)则在淹水后期显著提高土壤溶液的pH值、还原性及土壤有效态硫的含量，并明显抑制土壤有效态铜的释放.采用同步辐射微束X 射线荧光(µ-XRF)分析发现，土壤中铜硫呈非均相分布，结合元素的荧光计量数回归分析表明，AS促进土壤中铜硫的协同迁移，而SCU的影响与淹水时间段密切相关.

Published in Zhejiang Daxue xuebao. Lixue ban

ISSN: 1008-9497 (Print)
Publisher: Zhejiang University Press
Country of publisher: China
LCC subjects: Science: Mathematics: Instruments and machines: Electronic computers. Computer science; Science: Physics
Website: https://www.zjujournals.com/sci/EN/1008-9497/home.shtml

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