Summary
This field trial examined how cattle excreta management practices affect greenhouse gas emissions from UK grassland soils. The research compared cattle urine with and without the nitrification inhibitor DCD alongside dung applications, measuring N₂O and CH₄ fluxes across seasons. Findings suggest that application timing and excreta type influence emissions profiles, with potential implications for mitigation strategies in pastoral systems.
UK applicability
This study was conducted on UK grassland under British conditions, making findings directly applicable to UK pastoral farming practice and policy. The results may inform guidance on timing of slurry/excreta application and uptake of nitrification inhibitors as greenhouse gas mitigation tools in UK livestock systems.
Key measures
Nitrous oxide (N₂O) emissions, methane (CH₄) emissions, seasonal variation in greenhouse gas flux
Outcomes reported
The study measured nitrous oxide and methane emissions from grassland soil following application of cattle urine (with and without the nitrification inhibitor DCD) and dung. Emissions were tracked across different seasons of application to identify treatment and temporal effects.
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