Interspecific variation in leaf–root differences in δ15N among three tree species grown with either nitrate or ammonium

@article{Kalcsits2015InterspecificVI,
  title={Interspecific variation in leaf–root differences in δ15N among three tree species grown with either nitrate or ammonium},
  author={Lee Anthony Kalcsits and Xiangjia J. Min and Robert D Guy},
  journal={Trees},
  year={2015},
  volume={29},
  pages={1069-1078}
}
Interspecific variation in nitrogen isotope composition of roots and leaves of tree seedlings grown in a steady-state nitrogen environment reflects known variation in sites of assimilation and nitrogen source preference in three tree species. As a time-integrated measure of nitrogen use, discrimination against the heavier stable isotope (15N) during the uptake and assimilation of inorganic nitrogen has the potential to provide information on interspecific differences in inorganic nitrogen… CONTINUE READING

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Is the high 15N natural abundance of trees in N-loaded forests caused by an internal ecosystem N isotope redistribution or a change in the ecosystem N isotope mass balance

P Högberg, C Johannisson, MN Högberg
Biogeochem • 2014
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