theslipperbandit
Well-Known Member
That's what I'm saying the par is the photosynthetically activate rediation but then say ppfd is photosynthetic photon flux density of said par which is the number of photons in (400-700nm) a waveband incident on a unit time on unit surface so yeah pars awesome the ppffr (photosynthetical photon flux fluence rate )on par which is like the integral of photon flux radiance at a point of all directions. so kinda cool aye ? radiation is awesomeNo man it's all about that PAR and efficiency.
There's a research place down south that runs green houses with computer controlled LED's.
The guy there has managed to manipulate the active chemicals in herbs and micro greens with custom wave lengths so he can make rocket really really peppery to taste for example.
He can actually change the taste and smell of stuff with the wave lengths of light they get while growing.
Watched a documentary one time and found the website.
Forgot the name.
I'm of the firm belief that LEDs/custom wave length's are the future but not till they're dialed in and they come right down in price.