Nitrogen isotope discrimination as an integrated measure of nitrogen fluxes, assimilation and allocation in plants.

@article{Kalcsits2014NitrogenID,
  title={Nitrogen isotope discrimination as an integrated measure of nitrogen fluxes, assimilation and allocation in plants.},
  author={Lee Anthony Kalcsits and Hannah A Buschhaus and Robert D Guy},
  journal={Physiologia plantarum},
  year={2014},
  volume={151 3},
  pages={293-304}
}
Fractionation of nitrogen isotopes between a plant and its environment occurs during uptake and assimilation of inorganic nitrogen. Fractionation can also occur between roots and the shoot. Under controlled nitrogen conditions, whole-plant and organ-level nitrogen isotope discrimination (Δ(15) N) is suggested to primarily be a function of three factors: nitrogen efflux back to the substrate relative to gross influx at the root (efflux/influx), the proportion of net influx assimilated in the… CONTINUE READING
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