Wheat leaves emit nitrous oxide during nitrate assimilation.

  title={Wheat leaves emit nitrous oxide during nitrate assimilation.},
  author={David R. Smart and Arnold J Bloom},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={98 14},
Nitrous oxide (N(2)O) is a key atmospheric greenhouse gas that contributes to global climatic change through radiative warming and depletion of stratospheric ozone. In this report, N(2)O flux was monitored simultaneously with photosynthetic CO(2) and O(2) exchanges from intact canopies of 12 wheat seedlings. The rates of N(2)O-N emitted ranged from <2 pmol x m(-2) x s(-1) when NH(4)(+) was the N source, to 25.6 +/- 1.7 pmol x m(-2) x s(-1) (mean +/- SE, n = 13) when the N source was shifted to… CONTINUE READING


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