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
收藏
页码：805 / 807
页数：3
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