Wholesale Price China Led Grow Light King - LED 400W Single Bar smart grow light – Topline Optoelectronic
Wholesale Price China Led Grow Light King - LED 400W Single Bar smart grow light – Topline Optoelectronic Detail:
What are PAR and PPFD in LED grow lights
One way to visualize PPFD is to imagine that the sun is “pouring” light onto plant leaves. As the sun shines light on plants, their leaves are gathering energy.
PPFD is a measurement of the amount of light (photons) that the sun “pours” onto plants over time. PPFD is an important indicator because it helps growers accurately measure the light intensity of photosynthesis in the canopy. This is also important because lights that are too close to the canopy can cause burning, bleaching, growth retardation, or discoloration.
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315~400nm–– This kind of light wave is also a far-ultraviolet light, although there is no ultraviolet rays to harm plants, in order to have no direct effect on plant growth, chlorophyll absorption is small, affecting the photoperiod effect, preventing stem elongation. Wholesale Price China Led Grow Light King - LED 400W Single Bar smart grow light – Topline Optoelectronic , The product will supply to all over the world, such as: Morocco, Paraguay, Moldova, In the past, the cost of LED lighting remained high, so plant factories mostly use fluorescent tubes or high-pressure sodium lamps, with the decline in LED prices and technological improvement, the application of LED in plant factories has seen a new wave of progress. At present, there are not many manufacturers engaged in LED grow lights in China, most of which are concentrated in Shenzhen.
By Maggie from Irish - 2017.09.16 13:44
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
By Diana from Denver - 2017.09.30 16:36
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