novaledlights--LED Grow Lights Enables Vegetable to Grow Faster and Better

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The direct solar radiation is blocked the roof of a greenhouse. As a result there is no sufficient sunlight in the indoor gardens. With the LED grow lights, people don't have to worry about this issue. The lights can produce red lights as well as blue lights. They can significantly help stimulate the growth of the plants and vegetables. The grow light irradiation allows to vegetable to be more juicy and nutritious. Shanghai International Semiconductor Lighting Technology Forum was held on July 11. According to the forum, a new type of LED grow light is used in Sunqiao Modern Agricultural Park. According to the study, it only takes 20 days to grow lettuces. Generally the growth period of lettuces is supposed to be 52 to 60 days.

Taking advantage of peak and wavelength of photosynthesis is the most economical way to make the most of grow lights, said Li ShuChi, the manager the Comprehensive Assessment Department of Shanghai Semiconductor Lighting Engineering Research Center. Vegetables in the process of growth and development only absorb the red, orange, blue and violet light in the sunlight. As a result, most of the light energy is wasted. So the traditional cultivation methods tend to subject to the natural environment. But the LED grow light spectrum can be adjusted according to the needs of different types of vegetables during different growth stages. Take lettuce for example, when the lettuce is not expected to grow too fast at first and more blue light is need during this period. On the contrary, in the late growth of lettuce more red light and less blue light is needed. . Researchers have to find out the dimming law of lettuce, celery, and other vegetables that Shanghai residents are fond of. Meanwhile, researchers are experimenting with LED lights to promote the growth of ginseng, dendrobium candidum and other valuable plants.
　　
According to Li ShuChi, it's very important to install LED lights properly. Side light is suitable for vegetables that grow upwards such as cucumbers, while top lighting is more suitable for vegetables that grow vertically such as eggplant and lettuce. The bottom lighting is ideal for  vegetables like small tomatoes. With bottom lighting small tomatoes are able to grow faster and better.

Li ShuChi said that a new LED grow light is under experiment in Shanghai Semiconductor Lighting and Agricultural Modernization Lab. This new type is expected to be used for family farms.