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

Data sets

Beacon Farm OzFlux: Australian and New Zealand Flux Research and Monitoring Laubach, J. http://data.ozflux.org.au/portal/pub/listPubCollections.jspx

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.