Marques-dos-Santos, C.S.C., Serra, J., Runhaar, H., Ragkos, A., Masso, C., Graversgaard, M., Hayashi, K., Adhya, T.K., Bittman, S., Boincean, B., Constantinescu, M., Erisman, J.W., Garnier, J., Gourley, C.J.P., van Grinsven, H.J.M., Gu, B., Hicks, K., Hooper, D.U., Kanter, D.R., Medinets, S., Michalis, E., Milea, N., Nolasco, C.L., Ometto, J.P., Dahal, K.R., Sanz Cobeña, A., Shepherd, M., Thapa, S., Roque de Pinho, J., & Uwizeye, A. (In press). Barriers to better nitrogen management. Chapter 25 in: The International Nitrogen Assessment (Eds.: M.A. Sutton, A.M. Leach, J.S. Baron, W.J. Brownlie, W. de Vries, P. Ebanyat, K. Hayashi, D.U. Hooper, D.R. Kanter, J.P. Ometto, N. Raghuram, N. Read & H.J.M. van Grinsven), Cambridge University Press.

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