A multi-technique approach to assess the fate of biochar in soil and to quantify its effect on soil organic matter composition

Lydia Paetsch,Carsten W. Mueller,Cornelia Rumpel,Šárka Angst,Alexandra C. Wiesheu,Cyril Girardin,Natalia P. Ivleva,Reinhard Niessner,Ingrid Kögel-Knabner

Organic Geochemistry（2017）

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摘要

•After one year of field exposure BCGS was found in all soil fractions.•Accuracy of BCGS detection by NMR spectroscopy was confirmed.•BCGS weathered decreased selectively in unordered graphitic-like structures.•BCGS did not lead to significant native SOC stocks increases.

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关键词

Density fractionation,Carbon sequestration,Equivalent soil mass,Isotopic mixing model,Molecular mixing model,Native SOM,13C CPMAS NMR spectroscopy,Raman microspectroscopy,Stable isotope

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