Media type: E-Article Title: Nitrogen uptake by grassland communities: contribution of N2 fixation, facilitation, complementarity, and species dominance Contributor: Bessler, Holger; Oelmann, Yvonne; Roscher, Christiane; Buchmann, Nina; Scherer-Lorenzen, Michael; Schulze, Ernst-Detlef; Temperton, Vicky M.; Wilcke, Wolfgang; Engels, Christof imprint: Springer Science and Business Media LLC, 2012 Published in: Plant and Soil Language: English DOI: 10.1007/s11104-012-1181-z ISSN: 1573-5036; 0032-079X Keywords: Plant Science ; Soil Science Origination: Footnote: