There are two primary scenarios in which SSL will be used in horticulture according to Shih-Chen (Powell) Shi, assistant chief in the professional lighting department at Everlight Electronics. Everlight makes both LEDs and luminaires for horticulture applications. In Japan, Shi says that growers are developing commercial plant factories that are indoors and receive no sunlight. The plant factories utilize layering (Fig. 1) to pack as many vegetables as possible into the available space – especially important in a region with limited traditional farm land.
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