Phosphorus speciation of forest-soil organic surface layers using P K-edge XANES spectroscopy

被引：13

作者：

Prietzel, Joerg ^{[1
]}

Thieme, Juergen ^{[2
]}

Paterson, David ^{[3
]}

机构：

[1] Tech Univ Munich, Lehrstuhl Bodenkunde, D-85350 Freising Weihenstephan, Germany

[2] Brookhaven Natl Lab, NSLS 2, Upton, NY 11973 USA

[3] Australian Synchrotron, Clayton, Vic 3168, Australia

来源：

JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE | 2010年 / 173卷 / 06期

关键词：

X-ray Absorption Near-Edge Spectroscopy; P speciation; groundwater influence; synchrotron-based spectroscopy; forest floor;

D O I：

10.1002/jpln.201000248

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The phosphorus (P) speciation of organic surface layers from two adjacent German forest soils with different degree of water-logging (Stagnosol, Rheic Histosol) was analyzed by P K-edge XANES and subsequent Linear Combination Fitting. In both soils, approximate to 70% of the P was inorganic phosphate and approximate to 30% organic phosphate; reduced P forms such as phosphonate were absent. The increased degree of water-logging in the Histosol compared to the Stagnosol did not affect P speciation.

引用

页码：805 / 807

页数：3

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