LED growlights: Difference between revisions
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Researchers report approximately 40% yield win from using LED lights<sup>[http://www.greenhousecanada.com/content/view/1562/38/]</sup>. They are also much more energy-efficient than other kinds of lighting. | Researchers report approximately 40% yield win from using LED lights<sup>[http://www.greenhousecanada.com/content/view/1562/38/]</sup>. They are also much more energy-efficient than other kinds of lighting. | ||
Plants need a mixture of blue and red lights, at a ratio of about two red LEDs to each blue LED. You can buy LED grow panels, but it should be much cheaper to just get bulk LEDs from Alibaba or a similar site. We need to research this. | Plants need a mixture of blue (wavelength of 458nm) and red lights (wavelength of 640nm), at a ratio of about two red LEDs to each blue LED. You can buy LED grow panels, but it should be much cheaper to just get bulk LEDs from Alibaba or a similar site. We need to research this. | ||
Large High-Output LED Array for | Large High-Output LED Array for | ||
Plant Growth slidshow by orbitech | Plant Growth slidshow by orbitech | ||
[http://docs.google.com/viewer?a=v&q=cache:y2J4wNlxck0J:www.lssc.nasa.gov/als/ncera/Session%2520D/Morrow%2520NCERA%2520101.pdf+nasa+red+and+blue+leds&hl=en&gl=us&pid=bl&srcid=ADGEEShaMXyXF87HRJiYvdLdMtTaHOJ1bL-PFM4R1jTvDDWKOcvfyslTvevjDS5NTJhFd5RRAJbfhjXNpQteyf9lLgXgzJEQfhJw9su3xLDUFTgFUY5DYYruExNxvD3RBLYhDOC6Sf2_&sig=AHIEtbSbFMSDmZur_wv3fOONSlyBFFrfYw] | [http://docs.google.com/viewer?a=v&q=cache:y2J4wNlxck0J:www.lssc.nasa.gov/als/ncera/Session%2520D/Morrow%2520NCERA%2520101.pdf+nasa+red+and+blue+leds&hl=en&gl=us&pid=bl&srcid=ADGEEShaMXyXF87HRJiYvdLdMtTaHOJ1bL-PFM4R1jTvDDWKOcvfyslTvevjDS5NTJhFd5RRAJbfhjXNpQteyf9lLgXgzJEQfhJw9su3xLDUFTgFUY5DYYruExNxvD3RBLYhDOC6Sf2_&sig=AHIEtbSbFMSDmZur_wv3fOONSlyBFFrfYw] | ||
Revision as of 14:37, 13 February 2011
Main > Food and Agriculture > Controlled-environment growing
Researchers report approximately 40% yield win from using LED lights[1]. They are also much more energy-efficient than other kinds of lighting.
Plants need a mixture of blue (wavelength of 458nm) and red lights (wavelength of 640nm), at a ratio of about two red LEDs to each blue LED. You can buy LED grow panels, but it should be much cheaper to just get bulk LEDs from Alibaba or a similar site. We need to research this.
Large High-Output LED Array for Plant Growth slidshow by orbitech [2]