Do Plants Need Infrared Light?
Plants produce most of their energy through photosynthesis, or the conversion of sunlight into chemical energy. If you are growing plants indoors or in outdoor locations with little light, then you need to provide artificial light sources. To create the most optimal conditions, you need to know exactly what kinds of light they need. Does this Spark an idea?
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Photosynthesis Needs
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Plants need mostly red and blue wavelengths for photosynthesis. Other frequencies are not much required. The fact that plants are green shows that they absorb very little green light from the sun. Instead, they reflect most of it.
Flowering Needs
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There is one exception to this rule in the case of flowering plants, however. Plants need some infrared light for flowering.
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Infrared Sources
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Incandescent lights produce mostly red light with some infrared frequencies. They are deficient in blue frequencies, however. Cool white lights make mostly blue light. Fluorescent lights vary by manufacturer. Indoor flowering plants need incandescent lights.
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References
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