how many plants can you put under one UFO LED grow light ?
I am attempting to start a small home garden for Medical use in California and I am curious about light
For 90 watt UFO grow light (like this one: http://www.bestlightingbuy.com/90-watt- … ights.html ), Both red and blue light are part of the visible spectrum, this is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Red light has a wavelength of 620-750nm and a frequency of 400-484THz. Blue light has a wavelength of 450-495nm and a frequency of 606-668THz. and the red region has a utilization peak around 660-670 nm for Chlorophyll A and around 635-645 nm for Chlorophyll B, depending on the source of information. Plants generally make good use of all red wavelengths except for ones much longer than 670 nm.
It all depends on the intensity (wattage) of the light. Most UFO lights (circular with fans on the back - so they look like a ufo) are 90 or 120 watts. A 90 watt LED grow should be used for 1 plant. If you have a 120 watt LED grow light, you will be able to grow 1-2 plants. These lights should be hung 16-18 inches from the top of the canopy of your plants. For larger, more intense lights the distance will increase. http://www.dormgrow.com/proper-distance
Plants reach for the light source, just like they reach towards the sun. If your light is too close it will stunt growth.
Required grow light depends on space or area or growing. The average LED grow light draws about 32 watts to cover 1 sq ft for flowering. So According to this ratio, you can decide that ow many plants can you put under 1 UGO LED grow light.
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