Carbon budgets for an irrigated intensively grazed dairy pasture and an  unirrigated winter-grazed pasture

Hunt, John E.; Laubach, Johannes; Barthel, Matti; Fraser, Anitra; Phillips, Rebecca L.

doi:https://doi.org/10.5194/bg-13-2927-2016

Articles | Volume 13, issue 10

https://doi.org/10.5194/bg-13-2927-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

OzFlux: a network for the study of ecosystem carbon and water...

https://doi.org/10.5194/bg-13-2927-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 10

Research article

|

18 May 2016

Research article |

| 18 May 2016

Carbon budgets for an irrigated intensively grazed dairy pasture and an unirrigated winter-grazed pasture

John E. Hunt, Johannes Laubach, Matti Barthel, Anitra Fraser, and Rebecca L. Phillips

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Final revised paper (published on 18 May 2016)
Preprint (discussion started on 15 Feb 2016)

Interactive discussion

Status: closed

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

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RC1: 'Review of bg-2016-46', Anonymous Referee #1, 11 Mar 2016
- AC1: 'Reply to Reviewer 1', Johannes Laubach, 07 Apr 2016
RC2: 'Review of the manuscript “Carbon budgets for an irrigated intensively-grazed dairy pasture and an unirrigated winter-grazed pasture”', Anonymous Referee #2, 17 Mar 2016
- AC2: 'Reply to Reviewer 2', Johannes Laubach, 07 Apr 2016
RC3: 'Review of “Carbon budgets for an irrigated intensively-grazed dairy pasture and an unirrigated winter-grazed pasture” published in Biogeosciences Discussions', Anonymous Referee #3, 21 Mar 2016
- AC3: 'Reply to Reviewer 3', Johannes Laubach, 07 Apr 2016

Peer-review completion

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

ED: Publish subject to minor revisions (Editor review) (18 Apr 2016) by Youngryel Ryu

AR by Johannes Laubach on behalf of the Authors (27 Apr 2016) Author's response Manuscript

ED: Publish as is (27 Apr 2016) by Youngryel Ryu

AR by Johannes Laubach on behalf of the Authors (28 Apr 2016)

Short summary

Intensification of dairying is rapid in New Zealand, with unknown impact on stocks of soil carbon (C). We investigated changes of soil C over one year for an irrigated, fertilised, rotationally-grazed pasture and an unirrigated winter grazed pasture. The irrigated pasture gained more C from net CO₂ uptake, excreta deposition and fertiliser application than was lost by grazing. The unirrigated pasture lost a small amount of C. Intensive dairy practices may thus increase soil C in the short term.