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LED plant light principle
Led plant light also called led plant growth light, is a large number of plant lamp types. We know all the plant's growth cannot leave the sun,
And LED plant light is the application of artificial light source to replace the sun light, make the plant normal growth and development.
LED plant light characteristics
As the fourth generation of new lighting source, LED has many characteristics different from other kinds of electric light source, which makes it become the first selection of energy conservation and environmental protection light source. Also used for growing plants in the field of LED displays the following characteristics: rich wavelength type, as it happens and morphogenesis of plant photosynthesis and light spectrum anastomosis; Wave spectrum width half width, can be combined according to the need to obtain pure monochromatic light and complex spectrum,; Can focus on a particular wavelength of light balancing crops; Not only can adjust crop bloom and strong, but also can control plant height and plant nutrition; System produce less heat, take up the space is little, can be used for cultivation of multilayer three-dimensional combination system, realized the low thermal load and production space in miniaturization; In addition, its superior durability also reduces the running cost. Because these remarkable characteristics, LED is very suitable for plant cultivation in the facilities used in controlled environment, such as plant tissue culture, horticultural facilities and factory nursery and green space ecological protection system and so on.
LED plant light relative lamp has many advantages than traditional plants, the traditional artificial light produces too much heat, such as added using LED lighting and hydroponic system, air can be recycled, too much heat and moisture can be removed, electric energy can be efficiently transformed into effective photosynthesis radiation, eventually into the plant material. Research shows that: the LED lighting, lettuce growth rate, photosynthetic rate were increased by more than 20%. Hybrid wavelength of LED light source can significantly promote the growth and development of spinach, carrots and lettuce, and enhance the indexes; Can make the biggest beet biological accumulation in hair root in sugar beet accumulated the most significant, and produces the highest sugar and starch accumulation in hair root.
LED plant light can affect plant growth cycle, a particular wavelength of LED can affect plant flowering time, quality and flowering duration. Some wavelengths of the LED can improve plant flower bud and blossom; Certain wavelength leds can reduce flowering response, regulating the peduncle length and flowering, is conducive to the production of cut and listed. Thus it can be seen through the LED control can regulate the flowering of plants and the subsequent growth.
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