Articles | Volume 13, issue 16
https://doi.org/10.5194/bg-13-4811-2016
https://doi.org/10.5194/bg-13-4811-2016
Research article
 | 
29 Aug 2016
Research article |  | 29 Aug 2016

The influence of tillage on N2O fluxes from an intensively managed grazed grassland in Scotland

Nicholas J. Cowan, Peter E. Levy, Daniela Famulari, Margaret Anderson, Julia Drewer, Marco Carozzi, David S. Reay, and Ute M. Skiba

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Cited articles

Abdalla, M., Jones, M., Ambus, P., and Williams, M.: Emissions of nitrous oxide from Irish arable soils: effects of tillage and reduced N input, Nutr. Cycl. Agroecosys., 86, 53–65, https://doi.org/10.1007/s10705-009-9273-8, 2010.
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Using a quantum cascade laser we measured N2O fluxes before and after a tillage event on a long-term grazed grassland field using the flux chamber and eddy covariance methods. The measurements were gap-filled using a generalised additive model which used meteorological data at the site. Results suggest that tillage of soils containing plant material (crop residues) releases a relatively large amount of N2O-N, similar in magnitude to approximately 0.9 % of the nitrogen in the plant materials.
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