Summary
This field experiment quantified nitrous oxide and methane emissions from a UK grassland soil receiving cattle urine with or without the nitrification inhibitor dicyandiamide (DCD), and dung. The findings suggest that season of application influences nitrous oxide emissions from urine applications, whilst dung generated larger methane emissions. The results contribute to understanding how livestock manure management practices affect grassland greenhouse gas dynamics.
UK applicability
The study was conducted on UK grassland under UK conditions and directly informs best management practices for cattle manure application in British pastoral systems. Findings on DCD efficacy and seasonal effects are directly applicable to UK farm policy and practice on emission reduction.
Key measures
Greenhouse gas emissions (nitrous oxide and methane); application timing (spring vs. other seasons); effect of nitrification inhibitor (DCD) on emissions
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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