We need to take into account the current environment, where the global population is constantly increasing while the available arable land area is decreasing. Traditional agriculture will not be able to provide sufficient healthy food for future urban residents. To meet the demand for food, we need better new planting systems and solutions.

In plant cultivation, the use of artificial light sources to provide illumination energy and improve crop growth is a widely recognized lighting technology in the market, and LED plant lighting technology has emerged.

I believe everyone has seen indoor green plants, various plant tissue cultures, and various ecological tanks in their daily lives. Most of the plants here are cultivated through plant lighting technology, as using this method can better control plant growth time and improve efficiency.

Can we conclude from this that lighting can replace sunlight?

The answer is not necessarily. Lights can replace sunlight to help plants grow, but not any single light can replace them. Because different plants require different amounts of light during their own growth stages, if the light emitted by the light is in the wavelength range that the plant needs, then the light can replace sunlight.

You should know that light is an electromagnetic wave, and in a broad sense, infrared, ultraviolet, and so on belong to the broad category of light.

For the general public, the frequency of electromagnetic waves that the eyes can perceive is between 380-750THz, and the wavelength is between 780-400nm. This is visible light, which is the part of the electromagnetic spectrum that the human eye can perceive.

Of course, this is only for humans, so what is the light that plants can receive?

The key point to note is that the fundamental principle of photosynthesis is the absorption of light of a certain wavelength by chlorophyll, which in turn triggers chemical reactions. Based on this logic, we can deduce that if there is a light with a suitable wavelength and we can ensure its light intensity, then this light can replace sunlight to help plants grow.

So, what conditions should light meet to be the “best substitute” for sunlight?

Plants can use chlorophyll to absorb the energy of sunlight, in addition to chlorophyll, there are also lutein and carotene. Chlorophyll a is more sensitive to red light, while carotene, lutein, and chlorophyll b are more sensitive to blue violet light.

The absorption value of chlorophyll is concentrated in the wavelength range of 400-460nm and 600-660nm, which includes blue purple light and red light; The light absorption value of carotenoids is concentrated in the range of 420-500nm, which is mainly blue violet light.

From this, we can conclude that the best light that triggers the chlorophyll reaction is red light, followed by blue purple light. Light that matches this wavelength is more efficient for plant photosynthesis.

Photosynthesis, as the only way for plants to absorb light energy and produce substances, is not only of great significance for plant growth, but also a guarantee of ecosystem stability.

The photosynthetic pigments that plants rely on for light absorption and conversion can only absorb specific wavelengths of light, mainly blue purple and red light. Although other colors of light can also be absorbed, their efficiency is extremely low and they cannot maintain normal light reactions, making photosynthesis impossible.

Regarding the plant lighting technology of Ames Osram.

We have understood that light within a specific category can assist plants in photosynthesis. In that case, we can use plant lighting technology to help plants grow better. For contemporary agriculture, plant lighting technology is absolutely indispensable.

Because half of the world’s population lives in cities, but traditional agriculture is far from meeting such a huge load, building urban farms requires the use of plant lighting technology.

In the field of plant lighting, Ames Osram offers new possibilities for intelligent, simple, and sustainable plant planting with LED lights and advanced sensing solutions.

Ames Osram’s plant lighting LED lights can adapt to the needs of different plants, monitor their growth, optimize harvests, minimize fertilizer use, and lower energy costs.

Regardless of the weather, season, and time, plants, like humans, require light to thrive. Efficiency is crucial for plant lighting fixtures. Low electricity consumption, high efficiency, and the ability to reduce energy consumption should be the pursuit of every plant lighting LED fixture.

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