Measuring simultaneous fluxes from soil of N2O and N2 in the field Using the 15N-gas "nonequilibium" technique.

@article{Bergsma2001MeasuringSF,
  title={Measuring simultaneous fluxes from soil of N2O and N2 in the field Using the 15N-gas "nonequilibium" technique.},
  author={Timothy T. Bergsma and Nathaniel E Ostrom and Mary A Emmons and G Philip Robertson},
  journal={Environmental science & technology},
  year={2001},
  volume={35 21},
  pages={4307-12}
}
Our purpose was to measure simultaneous fluxes from soil of both N2O and N2 from the same plot in the field using the 15N-gas "nonequilibrium" technique (i.e., the "Hauck" technique) as used previously for N2. We accommodated analysis of N2O by modifying the head amplifier of our mass spectrometer. Our system accurately measured the 15N enrichments of labeled soil slurries for both N2 and N2O. In the field, we measured flux of N2 and N2O during soil denitrification from a 15N-labeled plot of… CONTINUE READING
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