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Open Access Green as soon as Postprint is submitted to ZB.
Biodegradation measurements confirm the predictive value of the O:C-ratio for biochar recalcitrance.
J. Plant Nutr. Soil Sci. 177, 633-637 (2014)
Suitable predictors of degradability are sought to support the identification of biochars with large potential to increase C sequestration in soils. We determined the biodegradation of 9 chars from hydrothermal carbonization and pyrolysis in two agricultural soils. The 200- and 115-day degradation correlated strongly with the O:C- and slightly with the H:C-atomic ratio of 9 and 14 biochars, respectively. Highest temperature treatment and ash content did not show similar correlations.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Biochar ; Htc ; Biodegradability ; O:c Atomic Ratio ; (co2)-c-13 Efflux; Pyrolysis; Stability; Soils
ISSN (print) / ISBN
1436-8730
e-ISSN
1522-2624
Quellenangaben
Volume: 177,
Issue: 4,
Pages: 633-637
Publisher
Wiley
Publishing Place
Weinheim
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Soil Ecology (IBOE)