IEVref:845-26-079ID:
Language:enStatus: Standard
Term: photosynthetically active radiation
Synonym1: PAR
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Definition: total photon exposure in the 400 nm to 700 nm waveband

Note 1 to entry: The photosynthetically active radiation is expressed in mole per square metre per second (mol·m−2·s−1) or mole per square metre per day (mol·m−2·d−1).


Publication date:2020-12
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