Added by on 2016-05-31

Every indoor farmer wants to reduce costs and increase yield. By understanding PAR, farmers can use tech like LED lights to do both. Read more: Related PostsDickson Despommier On Vertical FarmingVertical Farming in Kakaako – Kerry KakazuIndoor Farming – Philips City Farming – Tech News 2016Vertical Farming VertiFarmVertical FarmingEconomics of Indoor Growing (Live) | Let’s Talk Indoor Farming!


Vertical farming



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  • Harry de Vokone 1 year ago

    What does the team at Bright Agrotech think about stuff like the e's like msg and stuff…..

    Thanks! :)

  • Lee Edwin Chipps-Walton 1 year ago

    Bro, love your stuff, but your action spectrum is way off. Look up "McCree Curve."

  • Aaron Grant 1 year ago

    explanatory. thanks for the video

  • Emilio Gagliardi 1 year ago

    Great introduction. I'm curious, if there are published charts/tables that provide descriptions of the various peak absorption spectrums of various plants. Further, if LEDs can be tuned to particular peaks, does that mean that batching plants on a single set of lights become more important? What effect does plant maturity have on peak spectrums? Thanks Bright Agrotech! Gonna hop on your webinar now!

  • Wis.Gardener 1 year ago

    Sounds really good but when your talking about $1500 USD for a 650 watt led that covers an area only 6'x6' (as primary light source) that's pretty darn expensive lettuce. And I can't grow pot in Wisconsin to help cover the cost.

    HIDs might be more expensive to operate but at least the cost is spread out over time. T5s are ok and cheaper to operate but not quite as efficient.

    So what's the average hobby grower to do? I tried for the 1.5 billion $ lottery but that didn't come through for me. :>)

  • mark layton 1 year ago

    Do you think using CFL's 6500k is a good way to add light to my plants or should I bite the bullet and buy some LED's

  • MARC DON 1 year ago

    "Acitve" lol. I love your spelling! Been watching your videos for many years and learning the bio mechanics of plant growing through Bright Agrotech! Have bought many white boards because of you!

  • MjrTom2009 1 year ago

    your video is well made and pretty good, but it seems you've missed something just like apparently virtually everybody else; there are scientific studies that show that the best results are obtained when green light is included with the red and blue. the approach you (and basically everybody else) talk about is a type of "what's the minimum we can get away with" (which I think is one of the fundamental problems with large scale farming these days) rather than a fundamental view of 'how do we obtain the best results'. quite commonly "minimum required" =/= 'best results'