Influence of a pulsed nitrogen supply on growth and nitrogen uptake in alpine graminoids

  title={Influence of a pulsed nitrogen supply on growth and nitrogen uptake in alpine graminoids},
  author={William D Bowman and Carol J. Bilbrough},
  journal={Plant and Soil},
The supply of N in alpine soils is influenced by environmental factors (freeze-thaw, drying-rewetting, release of N from winter snowpack) which lead to a pulsed nature in plant N availability. To address the ability of alpine species to acquire N and grow when N is supplied in a pulsed manner, six alpine graminoid species, 3 sedges (Cyperaceae) and 3 grasses (Poaceae), were grown under 3 treatments: low and high N supply applied 3 times weekly, and a pulsed N supply applied once weekly at the… CONTINUE READING
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