N2 fixation in three perennial Trifolium species in experimental grasslands of varied plant species richness and composition

@article{Carlsson2009N2FI,
  title={N2 fixation in three perennial Trifolium species in experimental grasslands of varied plant species richness and composition},
  author={Georg Carlsson and Cecilia Palmborg and Ari Jumpponen and Michael Scherer-Lorenzen and Peter H{\"o}gberg and Kerstin Huss-Danell},
  journal={Plant Ecology},
  year={2009},
  volume={205},
  pages={87-104}
}
This study is the first to investigate quantitative effects of plant community composition and diversity on N2 fixation in legumes. N2 fixation in three perennial Trifolium species grown in field plots with varied number of neighbouring species was evaluated with the 15N natural abundance method (two field sites, several growing seasons, no N addition) and the isotope dilution method (one site, one growing season, 5 g N m−2). The proportion of plant N derived from N2 fixation, pNdfa, was… CONTINUE READING
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