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Greenhouse PAR Lighting Requirements

thread50-201799

Greenhouse PAR Lighting Requirements

Greenhouse PAR Lighting Requirements

(OP)
Does anyone know of any good references for PAR lighting requirements for different plants, photoperiod requirements for different plants, and general technical references on greenhouse lighting?  I am particularly interested in edible plants.  This isn't exactly my specialty!

RE: Greenhouse PAR Lighting Requirements

The ASHRAE books have data on watts/ area for various species, also hours duration, not sure if it was in fundamentals or systems, have you tried the IES ?

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