What is a greenhouse lighting used for?
Plants often lack natural light. Phytolight is the perfect solution to this problem. If your seedlings do not receive the required amount of energy, then the photosynthesis process will be disrupted. This will stop the growth, development and drying of the plant. In the conditions of the Belarusian climatic zone, the problem with natural lighting persists almost all year round. Therefore, artificial lighting for greenhouses is quite in demand today.
Thanks to its properties, the phyto-lamp makes it possible to compensate for the lack of natural light in any conditions. The development of this industry is slowed down due to the rather high price of ready-made lighting. Standard lamps and fixtures are not suitable for these purposes, since they do not have the necessary spectrum of light, and most of the energy they expend is spent on heat. This can be rational only in cases where it is necessary to heat the plants.
Principle and working conditions of phytolamps
Under natural conditions, plants receive light energy from the sun, which has a certain spectrum of light. It includes wavelengths from 400 to 700 nm: ultraviolet, violet, blue, orange, red, infrared. For plants, the most important are the blue and red ranges of the spectrum. They contribute to the production of chlorophyll, which is necessary for the process of photosynthesis. Therefore, only blue and red light spectra are used in phytolamps.
It is important to set the lighting correctly and control the time of its operation so as not to harm the plant. The optimal distance from the lamp is 25-55 cm. You can check this with your own hand. If the emitted light does not burn it, then the distance is chosen correctly. As the plant grows, it must be varied. The operating time of the lamp depends on the properties of the plant. For example, orchids need 9 hours of light, while hibiscus need 14 hours of light.
How to choose the right lighting for greenhouses?
In order to choose a reliable greenhouse lighting, you need to pay attention to several parameters. First, how much light will hit your plant. To designate this parameter, the concept of photosynthetic active radiation (PAR) is used. The warranty period must be at least two years. If this indicator is less, then we strongly advise you to refuse to buy such a lamp.
Another important indicator is the spectrum of the emitted light. It will always be better to choose a phytolamp with a red and blue spectrum. They are the key to the production of photosynthesis by plants, which in turn ensures their growth and development. The red spectrum promotes the growth of the upper part of the plant, the blue is necessary for the root system. The rest of the spectrum will only reduce the efficiency of lighting and you will spend more money on electricity.
A parameter such as the wavelength of the emitted light is usually indicated on the packaging. For the blue range of the spectrum, values of 440-460 nm are recommended, and for the red – 640-660 nm. The market for phytolamps is currently very diverse, it is easy to get confused in them. If you make a mistake in choosing them, then this will negatively affect your plants and the result of their growth. Therefore, it is necessary to understand the advantages and disadvantages of various types of lighting for greenhouses.
Varieties of phytolamps for lighting greenhouses
The following types of sources can be used to illuminate greenhouses: LED, incandescent lamps, fluorescent, gas-discharge types DRL, >DRI and DNaT. However, at present, incandescent and fluorescent lamps are rarely installed. Incandescent lamps are inefficient and have low light output. Most of their energy is spent on heat, not light. Currently, they are practically not used anymore.
One of the main disadvantages of fluorescent lamps is their low power. They are also unsafe and require special disposal due to the presence of mercury. Among gas-discharge lamps, because of the cheap price and efficiency, sodium type HPS are most often used. They convert 25% of the energy into light, but they also release a lot of heat. At the moment, HPS lighting for greenhouses is the most popular in Belarus and other CIS countries. Unfortunately, due to the high price, LEDs are still rarely used.
Advantages of LED phytolights
High energy saving rates and long service life are the main advantages of LED lighting for greenhouses. Despite their higher cost compared to luminescent and gas-discharge counterparts, they easily pay off in the future. For example, ledz e-Fito has a guaranteed lifetime of 100,000 hours and reduces energy consumption by at least 50% even compared to HPS lamps.
LEDs have different light spectra, which allows you to optimally illuminate the plants. High temperatures in greenhouses cause many types of lighting to overheat. LED is designed with this factor in mind and therefore it does not require additional cooling and reflectors. This is facilitated by the special shape and aluminum body of the product. They are also favorably distinguished by their noiselessness and the absence of harm to human vision.
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For the process of photosynthesis in plants, a certain level of light energy is required. If it is not possible to get it from natural light, then plant lights is a great alternative. They emit blue and red spectrum, which contributes to the production of chlorophyll in plants. To choose a reliable phytolamp, pay attention to its emission spectrum, warranty period and performance indicators.
At present, LED phytolamps have the greatest number of advantages. Long service life and minimal power consumption can significantly reduce lighting costs. Their only drawback today is the high price. If you need to choose lighting for the greenhouse, then you can contact our specialists in these contacts. They will help you choose the best option for your wishes!