Towards Country-Specific Nitrous Oxide Emission Factors for Manures Applied to Arable and Grassland Soils in the UK oleh Rachel E. Thorman, Fiona A. Nicholson, Cairistiona F. E. Topp, Madeleine J. Bell, Laura M. Cardenas, David R. Chadwick, Joanna M. Cloy, Tom H. Misselbrook, Robert M. Rees, Catherine J. Watson, John R. Williams