Citation Information

  • Title : Non-linear nitrous oxide (N2O) response to nitrogen fertilizer in on-farm corn crops of the U.S. Midwest
  • Source : Global Change Biology
  • Publisher : Wiley-Blackwell
  • Volume : 17
  • Pages : 1140–1152
  • Year : 2010
  • DOI : 10.1111/j.1365-2
  • ISBN : 10.1111/j.1365-2486.2010.02349.x
  • Document Type : Journal Article
  • Language : English
  • Authors:
    • Robertson, G. P.
    • Grace, P. R.
    • Millar, N.
    • Gehl, R. J.
    • Hoben, J. P.
  • Climates: Hot summer continental (Dsa, Dfa, Dwa). Warm summer continental/Hemiboreal (Dsb, Dfb, Dwb).
  • Cropping Systems: Maize.
  • Countries: USA.

Summary

Row-crop agriculture is a major source of nitrous oxide (N2O) globally, and results from recent field experiments suggest that significant decreases in N2O emissions may be possible by decreasing nitrogen (N) fertilizer inputs without affecting economic return from grain yield. We tested this hypothesis on five commercially farmed fields in Michigan, USA planted with corn in 2007 and 2008.

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