How Ultraviolet Radiation Affects Plants with Dr. Bruce Bugbee
29:07
How Dark is Dark Enough? Darkness level requirements for plants with Dr. Bruce Bugbee
44:12
Cannabis Grow Lighting Myths and FAQs with Dr. Bruce Bugbee
8:02
ULTRAVIOLET RAYS | How Harmful Are UV Rays? | Ultraviolet Radiation | Dr Binocs Show | Peekaboo Kidz
7:44
UV light kills viruses. Why isn't it everywhere?
32:21
Turning Photons Into Food
11:21
How does UV light affect plant growth? feat Dr Bruce Bugbee and Prof Erik Runkle
27:59
Far-red: The Forgotten Photons
1:02:33