Macdonald, Bennett; Denmead, O Thomas; White, Ian
This paper reports emissions of NOx and NH3 from a rain-fed, fertilised, residue-blanketed sugarcane field at Mackay, Queensland. Emissions were measured using a micrometeorological flux-gradient technique for the whole of the 2006-07 season and for the first 2 months of the 2007-08 season. Nitrogen (N) fertiliser was applied as urea at a rate of 150kg N ha-1 into slits 100-150mm deep. Previous work at the site found that N2O emissions accounted for ∼5kg N ha-1, or 3% of the applied N in the...[Show more]
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