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Greenhouse PAR Lighting Requirements
Source:Internet Author:Unknow Pubdate:2008-04-21  
gepman (Electrical) 6 Nov 07 0:11
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!

stanlsimon (Mechanical) 17 Mar 08 0:20
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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