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There is increasing scrutiny of the impact of grazing systems on the wider environment. Urine deposition during grazing has a dominant influence on inorganic nitrogen (N) loss to air and water, and in particular on emissions of nitrous oxide (N2O), a potent greenhouse gas. A series of three field trials were conducted to determine N2O emission factors of urine (EF3: N2O-N emitted as % of urine N applied)...
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