Professional LED grow lights have wide use in horticulture
Professional LED grow lights are divided into 2 types, indoor and greenhouse grow lights. From another angle, they can also be classified by their application on different plants, such as grow lights for dragon fruits, for medicinal plants, for vegetables and so on. In this article we will understand more about grow lights in indoor farms and greenhouses.
General information
Professional LED grow lights are a series of LED lights with advanced functions used specifically for boosting the growth, blooming and fruiting of various crops. These professional products are built with smart functions such as dimming, colour changing, automatic turning on/off as well as the compatibility to connect with other devices such as fans, smoke sensors or pumps.
Rang Dong’s dragon fruit bulb and GE lighting Par.
The natural farming soil and resources have gradually been subdued in recent decades, prompting people to seek solutions to solve these problems. One of the new approaches is to develop indoor farms and greenhouse farms, using smart lighting control systems to stimulate growth.
Scientists have shown that lighting wavelengths impacts on the growth, blooming and fruiting of plants. Blue light can help stems, leaves, roots grow well, while the red and far red lights can promote the flowering and fruiting. The full spectrum, from ultraviolet to far red, is also used widely for various kinds of plants. By controlling the photosynthesis, we can take advantage of plants.
Indoor professional LED grow lights
In an indoor farm, we can see the vertical lighting system for growing vegetables like lettuce, basil, microgreens & sprouts, chard, cabbage, rocket, kale and collard greens etc. Light bars connected with a smart controller can change the brightness and colours for fitting each type of vegetables. These professional LED grow lights are normally installed and distributed on the racks of the lighting system. It is found that using lighting for indoor farms can help increase the crop yield 3-4 times above that in natural soil. Moreover, this method also protects plants against insects and pesticides.
Nowadays, it is easy to find the vertical farms inside vegetable factories in the US, Europe, Japan and Korea, etc. The global vertical farming produce market size, valued at USD 1.02 billion in 2019, is expected to grow at a compound annual growth rate (CAGR) of 25.7% between 2020 and 2027, said Grand View Search. Therefore, this agriculture sector promises to develop rapidly, meeting the increasing demand of vegetables.
Fluence light bar (left image) and Philips luminaire (right image) are widely applied on horticulture lighting.
Greenhouse professional LED grow lights
In greenhouse farms or glasshouse farms, farmers often grow flowers, fruits and vegetables such as tomatoes, potatoes, bell peppers, roses, chrysanthemums, cantaloupes, strawberries, etc. For indoor farms, plants are grown using hydroponic, aeroponic and aquaponic cultivation instead of soil.
Professional LED grow lights are normally installed on the roof, well above plants. The flexibility in changing colours and intensity of light can not be as good as those in the vertical farms. Hence, we should use the luminaires with full spectrum, or including many wavelengths, for example UV + blue + red, to make it appropriate for many kinds of plants.
The UFO Highbay luminaires, light bars, bulbs, grid light bars with strong hangers are often applied in greenhouses and glasshouses. These professional LED grow lights often are connected with a smart controller to change the intensity, colours and to set up the on/off time. These models have been widely used in many countries by famous lighting firms, including Philips lighting, Osram-Fluence, Vietnam’s Rang Dong and GE.
The following images show the firms’ modern horticulture lighting.
Osram’s fluence professional LED grow lights are used in strawberry greenhouses.
Rang Dong’s UFO Highbays are hung on the roof of a cantaloupe greenhouse.
Lettuce vertical farms by Philips Lighting
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