CO2 elicits long-term decline in nitrogen fixation

Hungate, Bruce A. ; Stiling, P. D. ; Dijkstra, P. ; Johnson, D. W. ; Ketterer, M. E. ; Hymus, G. J. ; Hinkle, C. Ross ; Drake, Bert G. (2004). CO2 elicits long-term decline in nitrogen fixation . Science, 304 , 1291.