A cannabis grow light is used to implement light recipes developed for optimal growth and development of cannabis plants that are cultivated in indoor farms or greenhouses. Spurred on by the recent legalization of medical and recreational marijuana in a growing number of states in the United States, cannabis cultivation is rapidly advancing to adopt sophisticated controlled environment agriculture (CEA) technologies. The horticulture industry has been undergoing a radical transformation fueled by the need for high quality, high yield growth of cannabis plants. Growing cannabis in a CEA facility allows control over air temperature, humidity, nutrients, carbon dioxide, water, and light, all of which can be modified and adjusted to enable year-round production and improve plant yields. The control or elimination of insectile, fungal or bacterial pests and other unpredictable factors is also more effective because of the closed environment. As with other plants, cannabis is an autotroph that evolved the ability of harvesting the energy from solar radiation to drive its growth and development. Depending on the type of CEA facilities, there is either absence of naturally occurring light or inadequate solar radiation due to cloudy days and seasonal variations. The use of artificial light therefore becomes an essential need.
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