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                Enlite Energy Inc

                Analysis of the Application of LED Plant Lights for Photosynthesis

                Ⅰ. The knowledge of LED tube lights for growing plants

                1. Different wavelengths of light have different effects on plant photosynthesis. The light required for plant photosynthesis has a wavelength of about 400-700nm. The light of 400-500nm (blue) and 610-720nm (red) contribute the most to photosynthesis.

                2. The blue (470nm) and red (630nm) LED tube lights for growing plants can provide the light just needed by plants. Therefore, the ideal choice for LED tube lights for growing plants is to use the combination of these two colors. In terms of visual effects, plant grow lights with the combination of red and blue shows the color of pink.

                3. Blue light can promote the growth of green leaves; red light can help blossom and fruit and prolong the flowering period.

                4. The ratio of red and blue LED of LED tube lights for growing plants is generally between 4:1--9:1, usually 4-7:1.

                When plant grow lights are used to supplement light for plants, the height from the leaves is generally about 0.5 meters, and continuous exposure in plant grow lights for 12-16 hours a day can completely replace the function of the sun.

                Ⅱ. Bulb configuration of LED tube lights for growing plants

                Proportional colored lights can make strawberries and tomatoes sweeter and more nutritious. Illuminating holly seedlings with LED grow lights is to imitate the photosynthesis of plants outdoors. Photosynthesis refers to the process by which green plants use light energy through chloroplasts to convert carbon dioxide and water into energy-storing organic matter and release oxygen. Sunlight is composed of different colors of light, and different colors of light can have different effects on plant growth.

                The LED light source is also called a semiconductor light source. This light source has a relatively narrow wavelength and can control the color of the light. Using it to irradiate plants alone can improve plant varieties.

                The holly seedlings tested under the purple light of the LED tube lights for growing plants grow tallest, but the leaves are small, the roots are shallow, and they look malnourished. The seedlings under the yellowish light are not only short, but the leaves look lifeless. The holly that grows under the mixed red and blue light grows best, not only is strong, but the root system is also very developed. The red bulb and blue bulb of this LED light source are configured in a ratio of 9:1.

                The results show that the 9:1 red and blue light is the most beneficial to plant growth. After this light source is irradiated, strawberries and tomatoes are full, and the content of sugar and vitamin C is significantly increased with no hollow phenomenon. Continuous irradiation for 12-16 hours a day, strawberries and tomatoes grown under such a light source will be more delicious than ordinary greenhouse fruits.

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