Articles | Volume 2, issue 2
SOIL, 2, 185–197, 2016
SOIL, 2, 185–197, 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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Cited articles

Aliasgharzad, N., Martensson, L., and Olsson, P.: Acidification of a sandy grassland favours bacteriaand disfavours fungal saprotrophs as estimated by fatty acid profiling, Soil Biol. Biochem., 42, 1058–1064, 2010.
Balasooriya, W., Huygens, D., Denef, K., Roobroeck, D., Verhoest, N., and Boeckx, P.: Temporal variation of rhizodeposit-D assimilating microbial communities in a natural wetland, Biol. Fert. Soils, 49, 333–341, 2013.
Blume, E., Bischoff, M., Reichart, J., Moorman, T., Konopka, A., and Turco, R.: Surface and subsurface microbial biomass, community structure and metabolic activity as a function of soil depth and season, Appl. Soil Ecol., 592, 1–11, 2002.
Bone, T. L. and Balkwill, D. L.: Morphological and cultural comparison of microorganisms in surface soil and subsurface sediments at a pristine study site in Oklahoma, Microb. Ecol., 16, 49–64, 1988.
Bossio, D. A. and Scow, K. M.: Impact of carbon and flooding on the metabolic diversity of microbial communities in soils, Appl. Environ. Microbiol., 61, 4043–4050, 1995.
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.