Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 5
Articles | Volume 13, issue 5
https://doi.org/10.5194/bg-13-1705-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-1705-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 5
Research article
 | 
18 Mar 2016
Research article |  | 18 Mar 2016

Net soil–atmosphere fluxes mask patterns in gross production and consumption of nitrous oxide and methane in a managed ecosystem

Wendy H. Yang and Whendee L. Silver

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Short summary
Nitrous oxide and methane are potent greenhouse gases that are both produced and consumed in soil. Using stable isotope tracers, we found that 68 % of nitrous oxide produced in soil was emitted to the atmosphere throughout the growing season in a cornfield despite variable soil conditions. Gross methane production and consumption were tightly coupled, resulting in near-zero net fluxes. Our results challenge our understanding of controls on nitrous oxide and methane dynamics in upland soils.
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