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Biochar decomposition in agricultural soils of temperate climate


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Scheifele, Michael; Buegger, Franz; Fliessbach, Andreas; Mäder, Paul; Schulin, Rainer and Gattinger, Andreas (2013) Biochar decomposition in agricultural soils of temperate climate. Poster at: Soil Carbon Sequestration, for climate, food security and ecosystem services, Reykjavík, Iceland, 26-29 May 2013.

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› Carbon mineralization rates were highest in maize straw and lowest in pyrochar amended soil.
› Pyrochar showed even lower CO2 fluxes than non-amended soil.
› Initial mineralization rates of maize straw and hydrochar were higher in soil M, whereas in Soil D the pyrochar was decomposed slightly faster.
› Hydrochar derived carbon was readily incorporated in the microbial biomass of both soils, pyrochar resisted nearly completely.
› Comparison of carbon pools CO2 , Cmic and Corg at day 12 and day 205 shows that a stabilsation of maize feedstock of more than a double could be achieved with HTC and far beyond that scale with pyrolysis.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Agrovoc keywords:
Subjects: Environmental aspects > Air and water emissions
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Soil Sciences
Switzerland > ETHZ - Agrarwissenschaften
Germany > Other organizations
Deposited By: Grand, Mr Gregor
ID Code:25774
Deposited On:28 Apr 2014 05:56
Last Modified:28 Apr 2014 05:56
Document Language:English
Refereed:Not peer-reviewed

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