Articles | Volume 2, issue 2
SOIL, 2, 185–197, 2016
https://doi.org/10.5194/soil-2-185-2016
SOIL, 2, 185–197, 2016
https://doi.org/10.5194/soil-2-185-2016

Original research article 10 May 2016

Original research article | 10 May 2016

Switchgrass ecotypes alter microbial contribution to deep-soil C

Damaris Roosendaal et al.

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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: Publish subject to technical corrections (13 Apr 2016) by Paul Hallett
ED: Publish subject to technical corrections (19 Apr 2016) by Lily Pereg(Executive Editor)
AR by C.E. Stewart on behalf of the Authors (26 Apr 2016)  Author's response    Manuscript
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Short summary
Switchgrass is a deep-rooted perennial grass bioenergy crop that can sequester soil C. Although switchgrass ecotypes vary in root biomass and architecture, little is known about their effect on soil microbial communities throughout the soil profile. By examining labeled root-C uptake in the microbial community, we found that ecotypes supported different microbial communities. The more fungal community associated with the upland ecotype could promote C sequestration by enhancing soil aggregation.