Articles | Volume 2, issue 4
SOIL, 2, 499–509, 2016
https://doi.org/10.5194/soil-2-499-2016
SOIL, 2, 499–509, 2016
https://doi.org/10.5194/soil-2-499-2016

Original research article 04 Oct 2016

Original research article | 04 Oct 2016

Enzymatic biofilm digestion in soil aggregates facilitates the release of particulate organic matter by sonication

Frederick Büks and Martin Kaupenjohann

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (26 May 2016) by Stefan Doerr
AR by Frederick Büks on behalf of the Authors (07 Jul 2016)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (18 Jul 2016) by Stefan Doerr
RR by Marc Redmile-Gordon (31 Aug 2016)
ED: Reconsider after minor revisions (review by Editor) (09 Sep 2016) by Stefan Doerr
AR by Frederick Büks on behalf of the Authors (13 Sep 2016)  Author's response    Manuscript
ED: Publish as is (18 Sep 2016) by Stefan Doerr
ED: Publish subject to technical corrections (20 Sep 2016) by John Quinton(Executive Editor)
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Short summary
Soil aggregate stability and POM occlusion are integral markers for soil quality. Besides physico-chemical interactions, biofilms are considered to aggregate primary particles, but experimental proof is still missing. In our experiment, soil aggregate samples were treated with biofilm degrading enzymes and showed a reduced POM occlusion and an increased bacteria DNA release compared with untreated samples. Thus, biofilms are assumed to be an important factor of POM occlusion in soil aggregates.