Legume presence increases photosynthesis and N concentrations of co-occurring non-fixers but does not modulate their responsiveness to carbon dioxide enrichment

@article{Lee2003LegumePI,
  title={Legume presence increases photosynthesis and N concentrations of co-occurring non-fixers but does not modulate their responsiveness to carbon dioxide enrichment},
  author={Tali D Lee and Peter B. Reich and Mark G Tjoelker},
  journal={Oecologia},
  year={2003},
  volume={137},
  pages={22-31}
}
Legumes, with the ability to fix atmospheric nitrogen (N), may help alleviate the N limitations thought to constrain plant community response to elevated concentrations of atmospheric carbon dioxide (CO2). To address this issue we assessed: (1) the effects of the presence of the perennial grassland N2 fixer, Lupinus perennis, on biomass accumulation and plant N concentrations of nine-species plots of differing plant composition; (2) leaf-level physiology of co-occurring non-fixing species… CONTINUE READING
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