Quote Originally Posted by Zcomp
Mind me if I sound simple but, Is this to backup HPS usage or something more serious?
It sounds to me as if these are just symptoms of good growth under HPS.
No Z, this is just some interesting info about how light outside the visible spectrum influences plant growth. At least it's interesting to me, and it darn well should be to anyone thinking about grow light design. We were talking about it in SnSstealth's LED thread, but I thought it warranted a thread by itself.
Opie Yutts Reviewed by Opie Yutts on . The concept of the red / far-red system (phytochrome system) Found it interesting, thought I'd share. "A surplus of light like the strong UV radiation in high mountains causes drastically reduced elongation of the internodes, a decrease of the assimilating surface, often to a strongly enhanced production of anthocyanes and usually also to intensely coloured flowers." "the growth of lettuce seedlings is not influenced by the subsequent exposure to light of the wave lengths lambda = 658 nm and lambda = 768 nm, while the exposure to both wave length Rating: 5