Showa Denko KK (SDK) and Yamaguchi University said they have jointly developed a cultivation method for plant growth facilities using light emitting diodes (LEDs), which will shorten shipment cycles and increase the amount of harvest.
SDK, which produces the LED chips for the method, will start licensing the technology to encourage the spread of LED-based plant growth facilities, which will contribute toward ensuring stable supply of safe food, the company said in a statement on May 9.
LED lighting has a narrower range of wavelengths compared with other light sources, enabling selective irradiation of light with suitable wavelengths and, as a result, ensuring efficient cultivation of plants, SDK said.
LED-based light sources also help reduce power consumption to about one-third the level of fluorescent lamps and provide high levels of light quantity without the influence of heating. Furthermore, a wide variety of plants, such as fruits, vegetables and grains, can now be cultivated, in addition to conventional leaf vegetables, the company said.
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