In the past 1-2 years, the technology of LED grow lights has made rapid progress, and people’s demand for grow lights is also increasing. While almost any LED grow light (even the worst) can grow excellent weeds, some grow lights developed specifically for cannabis achieve better yield, density, and plant growth rates than older and general-purpose models .
How to use LED grow lights to get better results?
LED grow lights have become the most widely used grow lights in recent years by virtue of their own advantages. Because compared with other traditional grow lights, LED grow lights have more advantages, such as: less heat, small space, low power consumption, etc. According to the survey data, LED plant lights can not only greatly increase the yield of crops, but also control the growth rate of crops and achieve multi-season yield increases. More and more relevant professionals choose to use LED plant lights to fill light, so how to use LED plant lights to achieve the desired effect?
Selection of Type of LED growlights
The effect of plant lights on plant growth is very extensive, so in order to achieve better use effects, it is first necessary to select appropriate LED plant lights according to the different growth stages of crops. Different crops have different requirements for light time and light intensity, and different growth stages of crops have different requirements for light time and light intensity. Therefore, when choosing a plant light, pay attention to the spectrum and power of the LED plant growth light. For crops that need coloring and flowering and fruiting, you can choose LED grow lights that combine red and blue. For leafy vegetables, full-spectrum LED grow lights are best. For plants that like light, high-power LED grow lights should be selected.
Reasonable distance
When the lamp is working, it will generate a lot of heat, and the plant lamp is no exception. The plant lamp will generate a certain amount of heat when it is working. If the designed plant light is too close to the plant, it will burn the plant and cause certain damage to the plant. However, if the distance between the plant light and the plant is too far, the utilization rate of the light of the plant light will be greatly reduced, which will greatly affect the fill light effect of the plant light.
Lighting time
The use time of the plant light is closely related to the weather of the day. When the light is weak in the morning, it can fill the plant with light for 2-3 hours. In cloudy or dimly lit weather, you can use grow lights throughout the day to encourage plant growth and ensure normal plant growth later in the day. Of course, plant lighting is also time-limited, and 10 hours of light a day is ideal because plants also need to rest and breathe at night.
The tips for buying Led grow light
First, the type of plants that need to be planted must be determined. Before buying LED equipment, it is very important to understand the use place of the plant lamp, including the size of the place, because it will affect the number of use of the plant lamp
PAR/PPE.
Plant light efficacy, also known as photosynthetic photon efficacy or PPE, is the wattage of PAR (photosynthetically active radiation) photons output. The efficacy of plant lights quickly became one of the main indicators for buyers to evaluate products.
When the PPE is low, it means that the energy of the plant light is less, and this red light is a different indicator. For example, PPE only considers photon fingers in the PAR spectrum (excluding distant wavelengths).
Spectrum
When choosing a grow light, the spectrum is a very important indicator that buyers need to think about. During photosynthesis, the light that plants usually absorb the most is red and blue light. When we choose led plant lights, we’d better choose the reddest or bluest led plant lights, as well as the red-blue ratio of plant lights. Different growth stages require different ratios of red and blue light. But when choosing, we should understand the wavelength range of led grow lights. Red light around 660nm and blue light around 450-470nm have the greatest impact on plants.
Heat output of led grow light
LED grow lights generate a lot of heat while working and can overheat, especially if the grow lights need to work at least 15 hours a day to provide enough light for your plants. At this time, pay attention to the problem of overheating. As mentioned earlier, overheating can be harmful to your plants as well as LED grow lights, drastically reducing lifespan in the case of grow lights and burns in the case of plants. Therefore, your LED grow lights should be equipped with an efficient cooling system.
Generally, heat from LED grow lights is generated at the back, so this area should have a heat sink to take the heat away, so it doesn’t overheat the LED grow lights or the plants.
Installation
Commercial LED grow lights are installed right above the plant canopy, and the distance between the canopy and the plants is adjusted according to the growth stage of the plants. At this time, you need to ensure that the grow lights can be easily installed and replaced.
In a greenhouse, most commercial LED grow lights are mounted on posts that pass through the top of the facility. In indoor grow rooms, hangers, pulleys are often used to attach posts or vertical plant stands.
Generally speaking, you should ask the manufacturer for the installation method and process in time before purchasing a plant growth light, so as to avoid mistakes during installation. A professional manufacturer must also have a well thought-out system that is easy to install, replace and expand.
Choose the Right Light–full spectrum or red and blue light?
Plant lights work by replacing sunlight to supplement the light needed for plant growth, thereby promoting plant growth. They can be used to grow vegetables, fruits and flowers. It can not only promote the growth of seedlings, but also promote flowering and fruiting, and increase yield in advance. There are many types of grow lights, and the spectrum includes full spectrum and red and blue light spectrum. Is the full spectrum better or the red and blue spectrum better?
In the research on the absorption and utilization of sunlight by plant growth, it was found that the absorption and utilization of red and blue light in sunlight by plants is the largest. Red light can promote plant flowering and fruiting, and blue light can promote plant growth, stems and leaves. Therefore, in the later research on plant lights, people developed plant lights that combine red and blue spectra. This kind of lamp has the best effect of supplementing light for plant growth, and has better effect on crops and flowers that need to guarantee the color. And red and blue light can be matched as needed to obtain the most suitable spectrum for plant growth.
General grow lights only have red and blue spectrums, while full-spectrum grow lights simulate the same spectrum as sunlight and emit white light. Both have the effect of supplementing light and promoting plant growth, but when choosing different wavelengths, pay attention to choosing the most suitable one.
For results that require tinting, use red and blue plant lights, which can be used to promote flowering and increase yield. For leafy plants, full-spectrum grow lights can be used. Because the spectrum of the red and blue plant light is pink, the whole plant light will not adapt when it stays in the human environment for a long time.
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