When supplementing light in a greenhouse, there are several aspects that need to be considered when developing a plan and implementing grow lighting setups in the facility. Supplemental lighting for greenhouses becomes more and more important in the seasons where there isn't a lot of five light like in the summertime.
One of the largest advantages of supplemental lighting is the ability to extend the hours in a day, compensate for light living effects either the season or overall weather, and increase the amount of light energy for a plant to absorb. It should be noted that the use of supplemental lighting and utilization of the benefits of its use is only available if it is the only factor limiting productivity and a greenhouse. Other factors that are in the environment such as air quality, water, overall crop plant genetics can also affect plant quality.
Overall most crops benefit from supplemental lighting, but the use of this lighting is only profitable for commercial operations when increase growth and quality the crop generates enough revenue to offset the investment cost and lighting equipment. Most common crops where supplemental lighting is used is in the floriculture industry, as well as, in areas where lighting quality isn't the greatest. Northern US states and Canada are prime candidates for extensive supplemental grow lighting as the majority of plugs and liners are produced in late and the winter months in early spring where natural light quality is low.
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