ppfd ppf horticulture par dli led

Hey folks. Have a HPS and CMH under the same reflector covering a 3X3. When doing this how is PAR/PPFD figured? Do you add together each lights tested output? I.E.....Say HPS reads 300 by itself and same with CMH. Does that mean you would have 600 PAR if the lights were placed together in...

If you have been researching LED horticulture lighting systems for your plant growth facility, you have likely been bombarded with a variety of metrics that lighting manufacturers use to market their products. Some terms and acronyms you are likely to see include: watts, lumens, LUX, foot...