LED grow lights are more powerful and efficient than the older generation high-pressure sodium and metal halide bulb grow lights. They lower the electricity bill and produce less heat. Less heat allows putting the light closer to plants, they do not get burned. The quality of light is better for growing with LED specialized grow lights. LED specialized grow lights offer homogenous light distribution. Light distribution at precisely the right wavelengths is made possible. LED light sources offer light distribution for good photosynthetic response. Vendors are able to stimulate plant growth. Flora series LEDs provide accelerated photosynthesis and energy savings.
A plant factory allows the growing of vegetables indoors all year round using LED lights that minimize power consumption. It is a system that artificially creates the environment necessary for plants to grow by controlling the amount of culture solution, air, and light from light-emitting diodes (LED). Because the amount of light, temperature, humidity, and carbon dioxide (CO2) concentration levels can be optimized without being affected by the weather, the growth rate of vegetables is two to four times faster than those grown in open-air fields, and yields are ten to twenty times higher.
Visible natural light has a spectrum different from grow lights. Visible light is measured by lux or energy. Plant factory grow lights are different. Grow lights provide artificial light used for plant growth. The spectrum of growth lights is tuned to the plant growing task. Plant light has photons from the blue and red (400 and 700 nm) part of the spectrum. This is called growth light with different spectrums good for different parts of the plant growth process.
According to Susan Eustis, lead author of the study, "Plant factories and plant factory appliances use grow lights to automate and control shifts in technology that makes indoor farming possible. The ability to grow food consistently, locally, without pesticides represents a major breakthrough for humanity." Grow lights permit people to grow food in warehouses and in the home, dedicating previously unused space to a purpose and in a manner that is efficient for producing food. Solar energy makes this possible.
LED grow light modules markets at $395 million in 2013 are anticipated to reach $3.6 billion by 2020. Rapid growth is anticipated to come in part from home and restaurant market segments as people, particularly affluent people, become more health conscious and try to avoid the deleterious effects of pesticides in their food.
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