Quantifying N2O reduction to N2 based on N2O isotopocules – validation with independent methods (helium incubation and 15N gas flux method)

Lewicka-Szczebak, Dominika; Augustin, Jürgen; Giesemann, Anette; Well, Reinhard

doi:https://doi.org/10.5194/bg-14-711-2017

Articles | Volume 14, issue 3

https://doi.org/10.5194/bg-14-711-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-14-711-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 3

Research article

|

14 Feb 2017

Research article |

| 14 Feb 2017

Quantifying N₂O reduction to N₂ based on N₂O isotopocules – validation with independent methods (helium incubation and ¹⁵N gas flux method)

Dominika Lewicka-Szczebak, Jürgen Augustin, Anette Giesemann, and Reinhard Well

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Final revised paper (published on 14 Feb 2017)
Supplement to the final revised paper
Preprint (discussion started on 30 Aug 2016)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee Comment on bg-2016-276', Anonymous Referee #1, 20 Sep 2016
RC2: 'Review of bgd-2016-276', Anonymous Referee #3, 02 Nov 2016
AC1: 'Review response: Referee #1 and Referee #3', Dominika Lewicka-Szczebak, 04 Dec 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (Editor review) (05 Dec 2016) by Yakov Kuzyakov

AR by Dominika Lewicka-Szczebak on behalf of the Authors (19 Jan 2017) Author's response Manuscript

ED: Publish as is (19 Jan 2017) by Yakov Kuzyakov

AR by Dominika Lewicka-Szczebak on behalf of the Authors (19 Jan 2017)

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Short summary

The consumption of the greenhouse gas nitrous oxide (N₂O) by its reduction to dinitrogen via microbial denitrification in soil is poorly quantified. This precludes improvements in nitrogen (N) efficiency in agricultural ecosystems and mitigation of N losses to the environment including N₂O fluxes. We present a laboratory evaluation for the determination of N₂O reduction based on stable isotope values of soil-emitted N₂O as a new approach to determine N₂O reduction in the field studies.