Summary
This field trial quantified greenhouse gas emissions from a UK grassland soil following applications of cattle excreta (urine and dung), examining the potential mitigating effect of the nitrification inhibitor DCD on nitrous oxide release. The study found that nitrous oxide emissions from urine application were significant in spring, whilst methane emissions were more pronounced following dung application, with no consistent interaction effects between treatment type and season of application.
UK applicability
The findings are directly applicable to UK grassland management and livestock farming practice, providing evidence on the timing and magnitude of greenhouse gas emissions from common manure management approaches under British climatic and soil conditions.
Key measures
Nitrous oxide (N₂O) emissions, methane (CH₄) emissions, seasonal variation in response to cattle urine and dung application
Outcomes reported
The study measured nitrous oxide and methane emissions from UK grassland soil following applications of cattle urine (with and without the nitrification inhibitor DCD) and dung. Emissions were assessed across different seasons of application.
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