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Light is one of the essential growth conditions for all plants, and sunlight is recognized as the most comprehensive spectrum, providing the light needed for the growth of various plants.But LED grow lights are an imitator, imitating sunlight exposure so that plants can grow in various conditions, but for led grow lights, different spectrums are suitable for different plants under the same conditions.
So what spectrum do you need for LED grow light to grow different plants?
First we should know the classification of light and their respective roles.
1.Green light can penetrate the leaf canopy and increase the overall photosynthesis .
2.Adding green light can neutralize the pink violet light produced by red and blue light , reducing visual light pollution .
Deep red 65O-68ONM
1.Convert the phytochrome Pfr and Pr , which control flowering phase of plants .
2.combined with deep red 660nm, it can achieve dual - light gain benefits , which is much higher than the photosynthesis efficiency of 660nm alone .
3.Shading Effect ( Emerson Effect ). Plants feel that an object is blocking the light at a height if under the infrared light . They will work hard to grow taller .
Secondly, it is necessary to understand the effect of different light on plants, and to clarify the light needs of plants in different periods.
Here are examples of the special spectrum that our company Ledestar has researched for different types of plants, you can understand the needs of different plants for light. Then you will have a better understanding of led grow lights. At the same time, you are welcome to discuss this issue with us. For product information, please visit the official website www.ledestar.com
In the seedling period, the optical density is not high, and it is generally made into a lamp tube model. Blue light is the majority of the spectrum.
No.2 Leafy vegetables
Leafy vegetables have a demand for the density of lighting light, and most of them use above 4000K white light + red light
Flower plant lighting optical density PPFD needs about 600 μmol/s/m2, more red light, high cost one.
No.4 Commercial plants
The spectrum of CBD varies according to the growing environment and purpose. Here is an example of indoor.
Indoor Spectra are mainly used in basements. Scenes without natural light sources such as garages. Indoor spectrum is mainly used in basements, garages and other scenes without natural light sources;
Red light accounts for the majority of spectral components, and the optical density PPFD requirement is generally not less than 800umol/s/m2
The red to blue energy ratio is about 2.5:1
Fruit plant lighting optical density PPFD requires about 800 μmol/s/m2 red and blue energy ratio of about 4:1--6:1 Most of them use white light + red light with color temperature below 4000K
Combining all the above-mentioned spectral sharing, we can find that different types of plants require different types and proportions of light. Therefore, when choosing a led grow light, we need to select the spectrum according to the characteristics of the plant. Welcome to consult our company and look forward to your visit.