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 LED Grow Light Led plant growth lamp

The LED plant growth lamp is an artificial light source that uses LEDs (light-emitting diodes) as illuminants to meet the illumination conditions required for photosynthesis in plants. According to the type, it belongs to the third generation plant fill light fixture!
In the absence of daylight, such luminaires can act as daylight, allowing plants to grow normally or better.
This kind of lamp has strong roots, encourages, regulates flowering and flower color, promotes fruit ripening, coloring, and enhances the taste and quality!

LED Grow Light principle:
Light environment is one of the important physical environmental factors indispensable for plant growth and development. Controlling plant morphogenesis through light quality regulation is an important technology in the field of facility cultivation. Plant growth lamps are more environmentally friendly and energy-saving. LED plant lights are given to plants. Provide photosynthesis, promote plant growth, reduce the time spent on plant flowering, and increase production! In modern construction, it is an indispensable product for crops.

LED Grow Light feature
The wavelength type is rich, which coincides with the spectral range of plant photosynthetic and photomorphological formation; the spectral wave width is half-width narrow, and pure monochromatic light and composite spectrum can be obtained as needed; the light of a specific wavelength can be concentrated to illuminate the crop evenly; The crops are flowering and firm, and can control the plant height and the nutrient composition of the plants; the system has less heat and takes up less space, and can be used in a multi-layer cultivation stereoscopic combination system to realize low heat load and miniaturization of production space.
The characteristics of the led plant lamp: the wavelength type is rich, which coincides with the spectral range of plant photosynthetic and photomorphic formation; the spectral wave width is half-width narrow, and the pure monochromatic light and the composite spectrum can be obtained as needed; the light of a specific wavelength can be concentrated and irradiated uniformly. Crops; not only can adjust the flowering and fruiting of crops, but also control the plant height and plant nutrient composition; the system has less heat and takes up less space, and can be used in multi-layer cultivation stereo combination system to achieve low heat load and miniaturization of production space.

LED Grow Light application
As the fourth generation of new lighting sources, LEDs have many different characteristics from other electric sources, which makes them the first choice for energy-saving and environmentally friendly light sources. LEDs used in the field of plant culture also exhibit the following characteristics: the wavelength type is rich, which coincides with the spectral range of plant photosynthetic and photomorphological formation;
LED Grow Light use
Organic farming is a kind of fertilizer, pesticide, growth regulator that does not use chemical synthesis in production, and does not use genetic engineering and ionizing radiation technology. Instead, it follows the laws of nature and adopts agricultural, physical and biological methods to fertilize the soil. , to control pests and diseases, to obtain safe agricultural products and their agricultural production systems.
In fact, organic farming is not completely without fertilizer, but organic fertilizer can be used: farmyard fertilizer, mineral fertilizer, biological fertilizer and so on after high-temperature fermentation and harmless treatment. Based on the limitations of this type of fertilization, the growth cycle of plants must be affected, and the current market demand is in short supply. Therefore, shortening the production cycle is one of them.
LED plant lights help to shorten the growth cycle of plants, because the light source of this lamp is mainly composed of red and blue light sources, using the most sensitive light band of the plant, the red wavelength is 620-630nm and 640-660nm, and the blue wavelength is used. 450-460 nm and 460-470 nm.
These light sources are the best photosynthesis for plants, and the plants are optimally grown. Experiments and practical applications have shown that in addition to giving plants light in the absence of light, it also allows plants to grow more during growth. The differentiation of collaterals and buds accelerates the growth of roots and leaves, accelerates the synthesis of carbohydrates in plants and the synthesis of vitamins, shortening the growth cycle.
With the rapid increase in global demand for organic foods, the development of organic farming is an opportunity for more and more producers.
The spectral wave width is half-width narrow, and can be combined to obtain pure monochromatic light and composite spectrum as needed; it can concentrate the light of a specific wavelength to illuminate the crop evenly; not only can adjust the flowering and fruiting of the crop, but also control the plant height and the nutrient composition of the plant. The system has less heat and takes up less space. It can be used in a multi-layer cultivation three-dimensional combination system to achieve low heat load and miniaturization of production space; in addition, its extremely strong durability also reduces operating costs. Due to these remarkable features, LEDs are well suited for plant cultivation in controlled facility environments such as plant tissue culture, facility horticulture and factory seedlings, and aerospace ecological life insurance systems.

LED Grow Light the study
In the past ten years, China's facility horticultural area has developed rapidly, and the light environment control lighting technology for plant growth has attracted attention. Facilities horticultural lighting technology is mainly used in two aspects:
1. As a supplementary illumination for plant photosynthesis when the amount of sunshine is small or the sunshine time is short;
Second, as the induced light of the plant photoperiod and light form.
1. LED as a research on plant photosynthesis supplemental illumination Traditional artificial light source generates too much heat. For example, LED supplementation lighting and hydroponic system can be used for recycling. Excessive heat and moisture can be removed, and electric energy can be Efficiently converted to effective photosynthetic radiation, ultimately converted to plant matter. Studies have shown that with LED lighting, the growth rate and photosynthetic rate of lettuce are increased by more than 20%, and it is feasible to use LEDs in plant factories.
The study found that compared with fluorescent lamps, mixed-wavelength LED light source can significantly promote the growth and development of spinach, radish and lettuce, improve the morphological index; can maximize the bioaccumulation of sugar beet, the most significant accumulation of betaine in hair roots, and produce in hairy roots. The highest sugar and starch accumulation.
Compared with metal halide lamps, the anatomical morphology of stems and leaves of pepper and perilla plants grown under wavelength-dependent LEDs changed significantly, and the photosynthetic rate of plants increased with increasing optical density. Composite wavelength LEDs can cause an increase in the number of stomata in both marigold and sage plants.
2. LED as the induced illumination of plant photoperiod and light form
LEDs of a specific wavelength can affect the flowering time, quality and flowering duration of the plant. LEDs of certain wavelengths can increase the number of flower buds and flowering of plants; LEDs of certain wavelengths can reduce the flowering reaction, regulate the length of peduncle and flowering period, and facilitate the production and market of cut flowers. It can be seen that the flowering and subsequent growth of the plants can be regulated by LED regulation.
3. Research on the application of LED in aerospace ecological life insurance system
Establishing a Controlled Ecological Life Support System (CELSS) is the fundamental way to solve the problem of long-term manned space life support. The cultivation of higher plants is an important component of CELSS, one of the key elements of illumination.
Based on the special requirements of the space environment, the light source used in the cultivation of higher space plants must have high luminous efficiency, and the output light wave is suitable for plant photosynthesis and morphogenesis, small size, light weight, long life, high safety and reliability record and no environment. Pollution and other characteristics. Compared with other light sources such as cool white fluorescent lamps, high pressure sodium lamps and metal halide lamps, LEDs are more effective in converting light energy into photosynthetically active radiation; in addition, it has a long life, small size, light weight and solid state, so In recent years, it has received much attention in the cultivation of ground and space plants. Studies have shown that LED lighting systems can provide uniform illumination of the spectral energy distribution, and the energy required to convert the electrical energy into plants is 520 times more efficient than that of metal halide lamps.

LED Grow Light Instance
Taking chrysanthemum as the test material, 120 branches with consistent growth and thick chrysanthemum stems were selected and divided into 2 groups, 60 in each group. Cut the branch with a length of about 12cm, cut the base into a wedge-shaped surface, and treat the base with 10PPM of naphthalene acid for 12 hours, then quickly spread the natural light in the intelligent seedbed and the red light seedbed with the plant growth lamp. Observe and record the growth of stem segments. The chlorophyll content was determined by the extraction method. On the 3rd and 6th day of the culture, 0.2g of the same part of the leaves was uniformly taken, cut, and immersed in 1:1 acetone: absolute ethanol, and placed in a 40-degree incubator. After 24 hours of extraction, the OD value at a wavelength of 652 nm was measured, and the chlorophyll content was calculated. The soluble sugar was determined by the 3,5 dinitrosalicylic acid method, and the nitrate reductase (NR) activity was determined by the sulfonamide colorimetric method. The following results were obtained:
1. After 30 days of cultivation, the stem segments under red light are earlier than the roots under natural light, and the number of roots is much higher. The rooting rate is as high as 100%, and the roots are strong and strong. The leaves are dark green, the stems are thick, and the seedlings grow vigorously. The growth of the material under red light was significantly better than that under natural light throughout the culture process, indicating that red light has the effect of promoting the rooting of Thousands of Chamomile (Table 1).
LED plant production lamp
LED plant production lamp
Table 1 Comparison of Rooting of Thousand-headed Chamomile Branches under Red Light and Natural Light
2. During the growth of the stem segment, the chlorophyll content decreased first and then increased under natural light or red light. However, the chlorophyll content under red light is higher than that under natural light, indicating that red light has a significant effect on the formation of chlorophyll, and the result is more obvious with the increase of culture days (Table 2). Plant growth under red light is better, probably due to higher chlorophyll content in the plant, more photosynthesis, and more carbohydrate synthesis, which provides sufficient material and energy for plant growth.
LED plant growth light
LED plant growth light
Table 2 Chlorophyll and soluble sugar content under natural light and red light
3. The soluble sugar content on the 9th day of culture was lower than that on the 15th day, and it decreased more under the red light than under the natural light. The stem roots under the red light were also earlier than the natural light. After 15 days, the soluble sugar content under red light was higher than that under natural light, which may be related to the higher chlorophyll content under red light and the stronger photosynthesis.
4, NR activity in the stem segment under red light is significantly greater than under natural light. It can be seen that red light can promote nitrogen metabolism in the stem segment of chrysanthemum.
In short, red light promotes rooting, chlorophyll formation, carbohydrate accumulation, and absorption and utilization of chrysanthemum stem segments. The use of red light plant growth lamps in the rapid propagation process is effective in promoting the rapid rooting of various plants and improving the quality of seedlings. The AiPlantLED plant growth lamp maximizes the natural light and provides a precise spectral range for plant photosynthesis. Plants rely on the energy of light for photosynthesis to grow, flower, and produce. However, due to the ever-changing climate change and illumination causes in nature, plants can not fully absorb the photosynthetic nutrients needed during their different growth stages, which brings disadvantages to growth, especially in the seedling stage. In this regard, scientific and rational artificial spectroscopy has created good absorption and reflection conditions for plant growth. The energy values ​​of the blue and red regions are very close to the plant photosynthesis efficiency curve (more significant for green plants) and are the best source of plant growth. AiPlant LED vegetative light simulates natural light. It can also produce red and blue light-mixing products according to customers' needs. It provides accurate spectral range for plant photosynthesis. It is suitable for all stages of plant growth and is suitable for any indoor garden. Soilless cultivation or soil cultivation. At the same time, we can also provide customized plant growth lighting solutions according to customer needs. Please contact us for special needs. Prospect Analysis The AiPlant LED vegetative lamp is attracting the attention of the world with its inherent superiority. Especially in the context of the global energy shortage worry again, the LED light source has high luminous efficiency, long service life, safety and reliability, environmental protection and energy saving characteristics, making the LED market in the lighting market more popular in the world.
In traditional agricultural production, the use of ordinary electric light sources to supplement light and the application of different covering materials and other agricultural technical measures, such as the use of monochromatic fluorescent lamps or colored plastic films, to change the light environment to regulate the growth and development of plants in the facility cultivation environment. However, these measures have different degrees of problems. For example, the lack of analysis of specific spectral components leads to impure optical quality processing, inconsistent light intensity, close to or even lower than the plant's light compensation point, and low energy efficiency of the illumination source. A large number of application studies of LEDs in plant facility cultivation environments have shown that LEDs can solve these problems and are particularly suitable for use in artificial light-controlled plant facility cultivation environments.



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