Articles | Volume 13, issue 16
Biogeosciences, 13, 4811–4821, 2016
https://doi.org/10.5194/bg-13-4811-2016

Special issue: Hotspots of greenhouse emissions from terrestrial ecosystems...

Biogeosciences, 13, 4811–4821, 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 et al.

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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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