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l〓ight is a bundle of different wavelengths of light across a wide spectr〓um from ultraviolet to infrared. Plants are "picky eaters thaM

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t favor b〓lue and red lights", Li said. "If we can figure out what ratio and comb〓ination of lights are best suited for each plant's growth, then we can 〓change or create LED lights that shine at that specific intensity and s〓pectrum, saving lots of energy in the process," he added. While blue a〓nd red lights are the "meat and potatoes" of a plant's growth, scientis〓ts notice othQ

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er spectrums of light also play a subtle role in maximizin〓g growth and quality. For example, scientists discovered that adding s〓ome green light to the red-blue recipe could help some vegetables grow,〓 while too much green light puts plants into hibernation, although this〓 is helpful for the plant's nutr4

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percent of all botanic 〓bioenergy through photosynthesi4

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ient build up. "Mimicking sunlight usi〓ng LED is very energy intensive," Li said. "At the end of the day, whoe〓ver has the most energy-efficient and productive light recipe wins." W〓hile plant growth mostly relX

ies on light, water and carbon diQ

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s a process in which plants combine car〓bon dioxide an4

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oxide, it 〓still needs some trace elements from soil or fertilizers to be healthy.〓 In the case of plant factories, hydroponic nutrient solutions infused 〓with 17 essential elements ranging from nitrogen to calp

cium have replac〓ed the tilted sa

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d water and turn them into carbohydrates and oxygen. Sun6

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oil. "The content of the nutrient solution is also tail〓ored to suit the plant's specific needs," said Pei Kequan, a research d〓irector at the factory. Unlike the trace elements from fertilizers, whi〓ch are loc1

ked in big compound molecules, "t5

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