Robertson, G. P. 1993. Fluxes of nitrous oxide and other nitrogen trace gases from intensively managed landscapes: a global perspective. Pages 95-108 in L. A. Harper, A. R. Mosier, J. M. Duxbury, and D. E. Rolston, eds. Agricultural Ecosystem Effects on Trace Gases and Global Climate Change. American Society of Agronomy, Madison, Wisconsin, USA.
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