info:oai:pure.iiasa.ac.at:13766info:ofi/fmt:xml:xsd:journalLiuW.Liu, W.YangH.Yang, H.LiuJ.Liu, J.AzevedoL.B.Azevedo, L.B.WangX.Wang, X.XuZ.Xu, Z.AbbaspourK.C.Abbaspour, K.C.SchulinR.Schulin, R.5721 December 201600489697Global assessment of nitrogen losses and trade-offs with yields from major crop cultivationsScience of The Total Environment526-537article