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One of the ‘grand challenges’ of this age is the anthropogenic impact exerted on the nitrogen cycle. Issues of concern range from an excess of fixed nitrogen resulting in environmental pressures for some regions, while for other regions insufficient fixed nitrogen affects food security and may le...


Reis, S.Bekunda, Mateete A.Howard, C.Karanja, N.Winiwarter, W.Yan, X.Bleeker, A.Sutton, M.A.[Synthesis and review: tackling the nitrogen management challenge: from global to local scales]Synthesis and review: tackling the nitrogen management challenge: from global to local scales

Global nitrogen fixation contributes 413 Tg of reactive nitrogen (Nr) to terrestrial and marine ecosystems annually of which anthropogenic activities are responsible for half, 210 Tg N. The majority of the transformations of anthropogenic Nr are on land (240 Tg N yr-1) within soils and vegetation...


Fowler, D.Coyle, M.Skiba, U.Sutton, M.A.Cape, J.N.Reis, S.Sheppard, L.J.Jenkins, A.Grizetti, B.Galloway, J.N.Vitousek, P.Leach, A.Bouwman, A.F.Butterbach-Bahl, KlausDentener, F.Stevenson, D.Amann, M.Voss, M.l.[The global nitrogen cycle in the twenty-first century]The global nitrogen cycle in the twenty-first century

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