Study of high power light emitting diode (LED) lighting system in accelerating the growth rate of Lactuca sativa for indoor cultivation

摘要

The experimental study of indoor cultivation using high power light emitting diode (LED) lighting system to accelerate the growth rate ofLactuca sativaplant is presented in this article. A novel high power LED lighting system with the use of aluminum indium gallium phosphide (AlInGaP) and indium gallium nitrate (InGaN) LEDs to produce photosynthetically active radiation (PAR) light source required for photosynthesis process of plant has been constructed. This study has verified that high power LED lighting system can accelerate the growth rate ofL. sativawhen compared with those plants cultivated under normal solar irradiance.