Defining photosynthetic photon efficacy

Submitted by Elsewhere on 2020-Jul-08 Wed 11:41
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There has been some discussion online and in presentations recently about the issue of photosynthetic photon flux. The argument goes as follows: Photosynthetically Active Radiation (PAR) is somewhat arbitrarily defined as optical radiation within the spectral range of 400 nm to 700 nm. Exposing plants to…