FAQList

How to use the LED plant lamp

1. the effects of different wavelengths of light on plant photosynthesis are different. The light needed for photosynthesis is about 400-700nm. The light of 400-500nm (blue) and 610-720nm (red) contribute most to photosynthesis.


2. the LED of blue (470nm) and red (630nm) just provides the light needed for plants, so the ideal choice for the LED plant lamp is to use these two combinations of colors. On the visual effect, the red and blue combination of plant lamps is pink.


3. blue light promotes the growth of green leaves; red light helps to blossom and prolong flowering.


The ratio of red to blue LED of 4.LED plant lamps is usually between 4:1--9:1, and 4-7:1 is usually optional.


5. when plant light is used to fill the plants, the height of the leaves is about 0.5 meters, and the continuous exposure to 12-16 hours a day can completely replace sunlight.


The future of LED lighting in the field of Agriculture

       

Recently, the Ministry of science and technology in Shenzhen Convention and Exhibition Center organized “ 11th Five-Year ” the National 863 plan semiconductor lighting major project report exhibition, the overall display of “ 11th Five-Year ” 863 plans for semiconductor lighting major projects and scientific and technological innovation achievements. Cao Jianlin, Vice Minister of the Ministry of science and technology, visited the exhibition at the exhibition. At the invitation of the Ministry of science and technology, the 863 plan project, &ldquo, which was undertaken by Professor Xu Zhigang of the school of agriculture, Nanjing Agricultural University, and the research on the application of semiconductor lighting in plant tissue culture, &rdquo. &ldquo displayed by Nanjing Agricultural University; LED plant tissue culture lamp ” “ LED plant light ” and other research results have been widely concerned in the industry, and many listed companies expressed their willingness to cooperate and develop. Cao Jianlin stood in front of the Nanjing Agricultural University booth inspection, listened to the Nanjing Agricultural University's 863 project research results introduced, gave a warm encouragement and praise. Li Jinmin, chief expert of major projects in semiconductor lighting and director of the semiconductor Institute of the Chinese Academy of Sciences, accompanied the inspection.


In the national “ in the 11th Five-Year ” 863 high technology research program, the Ministry of science and technology innovatively opened the research process of the application of LED in the field of agriculture. After the competitive defense, the Nanjing Agricultural University succeeded in obtaining 863 projects and funding, this is the “ in 11th Five-Year &rdquo, the only agricultural lighting project, which has been established by the state, is the only subject of agricultural lighting. Based on more than 5 years of accumulation of results and the characteristics of tissue culture room, the project group has developed the LED tissue culture lamp by optimizing the spectral energy parameters, manufacturing process and shape design. It has the characteristics of high efficiency, energy saving, long life and convenient installation. Compared with the fluorescent lamp, the use of LED tissue culture lamp can enhance the quality of the seedlings, improve the rate of high quality seedlings, shorten the seedling cycle and reduce the cost of energy consumption, increase the life span by 10 times, save electricity by 69.7%, and recover the initial input in 1.5 years without later input; in the life period, the total cost can be saved by 176764 yuan and the layer height of the tissue culture frame is reduced by 35%, Improve operation comfort and efficiency; space utilization rate increased by 35%.


In December 5th, &ldquo, a conference on plant plant innovation, &rdquo, was held at the Chinese Academy of Agricultural Sciences report hall, from the leadership of the Ministry of finance, science and technology, the Ministry of agriculture and other departments, such as the PHILPS, Panasonic, the Yangguang, the Yangzi and OULIN, and the representatives of the press, and the representatives of the press. At the conference, the high-tech enterprise of Chinese Academy of Agricultural Sciences, — — - Beijing central Yida Facility Horticulture Technology Co., Ltd. launched the latest research and development of family plant plant plant and family gardening series, and respectively with Holland PHILPS lighting, Japanese MITSUBISHI chemistry, Panasonic (China) electrician, Taiwan The strategic cooperation agreements have been signed by dozens of international well-known enterprises, such as Yi Guang, Yangzi electric and OULIN group, and reached agreement on the technical innovation and market development in the fields of LED lighting, industrial control, air conditioning environment control and nutrient liquid preparation, and signed a strategic alliance. The opening of this conference not only marks the formal birth of the first domestic plant plant plant plant, but also indicates the formal formation of the strategic alliance for plant research and development.


 

How does LED make up the plant

   

Plants need sunlight to grow more luxuriantly. The role of light in plant growth is to promote chlorophyll uptake by plants, such as carbon dioxide, water and other nutrients, and to synthesize carbohydrates. But modern science can make plants grow better in the absence of the sun. People have mastered the intrinsic principle of the plant for the sun, that is the photosynthesis of the leaves. In the leaf photosynthesis, the whole process of photosynthesis can be accomplished by the excitation of the outside photons. The sun light is a process of photon energy supply. The artificial creation of light sources can also allow plants to complete photosynthesis, and modern horticulture or plant plants are combined with supplemental lighting technology or complete artificial light technology. Scientists found that the blue and red areas are very close to the efficiency curve of plant photosynthesis, and are the best light source for plant growth.


Plant light knowledge:


1. the effects of different wavelengths of light on plant photosynthesis are different. The light needed for photosynthesis is about 400-700nm. The light of 400-500nm (blue) and 610-720nm (red) contribute most to photosynthesis.


2. the LED of blue (470nm) and red (630nm) just provides the light needed for plants, so the ideal choice for the LED plant lamp is to use these two combinations of colors. On the visual effect, the red and blue combination of plant lamps is pink.


3. blue light promotes the growth of green leaves; red light helps to blossom and prolong the flowering period.


The ratio of red to blue LED of 4.LED plant lamps is usually between 4:1--9:1, and 4-7:1 is usually optional.


5. when plant light is used to fill the plants, the height of the leaves is about 0.5 meters, and the continuous exposure to 12-16 hours a day can completely replace sunlight.


The LED semiconductor bulb is used to configure the most suitable light source for plant growth.


The proportionate coloured lights can make strawberries and tomatoes more sweet and nutritious. Using light to irradiate Holly seedlings is to mimic the photosynthesis of plants outside. Photosynthesis refers to the process that green plants use the chloroplasts to convert carbon dioxide and water into organic substances stored in energy and release oxygen through the chloroplasts. Sunlight is made up of different colors of light. Different colors of light play different roles in plant growth.


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


The seedlings of holly grown in purple light are the tallest, but the leaves are small and shallow, with a malnutrition. The seedlings under the yellow light are not only dwarf, but also the leaves are lifeless. The growth of holly under red and blue light is best, not only strong, but also highly developed. The red light bulb and blue light bulb of the LED light source are arranged in proportion to 9:1.


The results showed that the red and blue light of 9:1 was the most favorable for plant growth. After this light source, the fruit of strawberry and tomato was full, the content of sugar and vitamin C increased obviously, and there was no hollow phenomenon. Daily exposure to 12— for 16 hours, strawberries and tomatoes grown under such a light source will be more delicious than ordinary greenhouses.


LED plant growth lamp can also be used for light source in winter under rainy weather.


The company produces all kinds of LED plant growth lamp products.


Lamp head: E27/E26 structure of international standard


Voltage: AC AC120V~240V


Dimension: outer diameter: 62mm height: 95mm


LED number: 54 red with 6 blue or 6 high-power 1W red with 1 high-power 1W blue.


Color: Red Blue Pink


Luminescence angle: 60-120 degrees


Scope of application: vegetable greenhouse, agricultural and forestry gardening,


Energy consumption: 3-7W (relative to ordinary bulbs, which can save more than 95% of electricity charges).


Life: 30000-50000 hours


LED plant growth lamp adopts imported chip, which has high luminance and low light attenuation and high energy efficiency. It can promote plant growth obviously and have the characteristics of extremely low consumption and long life. It is not comparable to other ordinary light filling lamps. It is widely used in plant cultivation places and other lighting use, which can replace the sunlight to indoor flowers and greenhouse vegetables. Vegetables, garden nursery and other supplementary light to encourage, regulate flowering, survival and so on. The effect of filling light is superior to that of high pressure sodium lamp, low pressure sodium lamp, metal halide lamp, PHILPS plant light and rare earth plant light.


Introduction of LED plant growth lamp

Principle:


Light environment is one of the important physical and environmental factors which are indispensable for plant growth and development. It is an important technology in the field of facility cultivation to control plant morphogenesis through light quality regulation.


Features:


The wavelength type is abundant and coincides with the spectral range of plant light synthesis and light morphogenesis; the width of the spectrum wave is half and narrow, and the pure monochromatic light and compound spectrum can be obtained according to the need. The light balance of the crop can be concentrated in a particular wavelength, and the flowering and seed setting of the crops can be adjusted and the plant height can be controlled. It can be used in multi-layer cultivation and three-dimensional combination system to achieve low heat load and miniaturization of production space.


Application of LED in plant cultivation


Light environment is one of the important physical and environmental factors which are indispensable for plant growth and development. It is an important technology in the field of facility cultivation to control plant morphogenesis through light quality regulation.


As the fourth generation of new lighting sources, LED has many characteristics different from other electric light sources (Table 1), which makes it the first choice for energy saving and environmental protection light sources. LED, used in the field of plant culture, also shows the following characteristics: rich wavelength type, coinciding with the spectral range of plant light synthesis and light morphogenesis; the width of the spectrum wave is half and narrow, and can be combined to obtain pure monochromatic light and compound spectrum according to the need. In order to regulate the flowering and seed setting of crops, and control plant height and plant nutrition, the system has little heating and small space, and can be used in multi-layer cultivation three-dimensional combination system, realizing low heat load and miniaturization of production space; in addition, its strong durability also reduces transportation cost. Because of these remarkable characteristics, LED is very suitable for plant cultivation in controlled environment, such as plant tissue culture, facility gardening and factory nursery and space ecological conservation system.


Study on the application of LED in plant cultivation


In recent ten years, the Protected Horticultural area in China has been developing rapidly. The lighting environment controlled by plants has attracted much attention. The facilities of horticultural lighting are mainly used in two aspects: 1. As supplementary lighting for plant photosynthesis when the amount of sunshine is less or the time of sunshine is short, and two, the induced illumination of the plant photoperiod and the form of light.


1, LED as a supplementary lighting for plant photosynthesis, the traditional artificial light source produces too much heat, such as LED supplemental lighting and hydroponic system, the air can be recycled, excessive heat and moisture can be removed, and the energy can be efficiently converted into effective photosynthesis, and eventually converted into plant material. The results showed that the growth rate and photosynthetic rate of lettuce increased by more than 20% by LED illumination. It is feasible to use LED in a plant factory.


It was found that compared with the fluorescent lamp, the LED light source with the mixed wavelength could significantly promote the growth and development of spinach, radish and lettuce, and improve the morphological index. The accumulation of beet biomass was the largest, the accumulation of Mao Genzhong beet content was the most significant, and the highest sugar and starch accumulation in Mao Genzhong.


Compared with the metal halide lamp, the growth of pepper and perilla plants under the wavelength of LED showed significant changes in the anatomical morphology of the stems and leaves, and the photosynthetic rate of the plant increased with the increase of light density. Compound wavelengths of LED can increase stomatal number in two plants of marigold and Salvia.


2. LED is the induced illumination of plant photoperiod and photoperiod.


LED at specific wavelengths can affect flowering time, quality and duration of flowering. Some wavelengths of LED can increase the number of flower buds and the number of flowering plants; some wavelengths of LED can reduce flower formation, regulate the length and flowering period of the pedicels, and are beneficial to the production and listing of cut flowers. It can be seen that LED regulation can regulate flowering and subsequent growth of plants.


Study on the application of 3 and LED to the space ecological protection system


The establishment of Controlled Ecological Life Support System (CELSS) is the fundamental way to solve the problem of long-term manned spaceflight life support. The cultivation of higher plants is an important component of CELSS, which is one of the key lights.


Based on the special requirements of the space environment, the light source used in the space higher plant cultivation must have high luminous efficiency and the output light wave is suitable for plant photosynthesis and morphogenesis, small volume, light weight, long life, high safety reliability record and no environmental pollution. Compared with other light sources such as cold white fluorescent lamp, high pressure sodium lamp and metal halogen lamp, LED can effectively convert light energy into photosynthetic effective radiation. In addition, it has the characteristics of long life, small volume, light weight and solid state. Therefore, it has been paid much attention in the plant culture of ground and space in recent years. Research shows that the LED lighting system can provide uniform illumination for spectral energy distribution, and its power conversion to plant light is 520 times higher than that of metal halide lamps.


Give an example:


Using chrysanthemum as the test material, 120 stems of strong chrysanthemum were selected and divided into 2 groups, 60 in each group. Cutting the segment of the leaf with a length of about 12cm and cutting the base into wedge-shaped surface and treating the base with 10PPM naphthalene acid for 12 hours, and then quickly propagating in the natural light intelligent bed and the red light bed with the plant growth lamp, to observe and record the growth of the stem segments. Chlorophyll content was measured by extraction. On the 3612nd day of culture, the leaves of 0.2g were cut evenly and the 1:1 was separated by ethanol.


How to use LED semiconductor bulb to configure the most suitable light source for plant growth

       

       

The proportionate coloured lights can make strawberries and tomatoes more sweet and nutritious. Using light to irradiate Holly seedlings is to mimic the photosynthesis of plants outside. Photosynthesis refers to the process that green plants use the chloroplasts to convert carbon dioxide and water into organic substances stored in energy and release oxygen through the chloroplasts. Sunlight is made up of different colors of light. Different colors of light play different roles in plant growth.


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


The seedlings of holly grown in purple light are the tallest, but the leaves are small and shallow, with a malnutrition. The seedlings under the yellow light are not only dwarf, but also the leaves are lifeless. The growth of holly under red and blue light is best, not only strong, but also highly developed. The red light bulb and blue light bulb of the LED light source are arranged in proportion to 9:1.


The results showed that the red and blue light of 9:1 was the most favorable for plant growth. After this light source, the fruit of strawberry and tomato was full, the content of sugar and vitamin C increased obviously, and there was no hollow phenomenon. Daily exposure to 12— for 16 hours, strawberries and tomatoes grown under such a light source will be more delicious than ordinary greenhouses.