Nitrogen inputs by irrigation is a missing link in the agricultural nitrogen cycle and related policies in Europe

by Serra, João, Marques-dos-Santos, Cláudia, Marinheiro, Joana, Aguilera, Eduardo, Lassaletta, Luis, Sanz-Cobeña, Alberto, Garnier, Josette, Billen, Gilles, de Vries, Wim, Dalgaard, Tommy, Hutchings, Nicholas, do Rosário Cameira, Maria