How many watts of plant fill lights are effective?

Many people will think, is the bigger the wattage of the plant lamp, the more effective it is? Actually not. As we all know, the growth of plants is inseparable from photosynthesis. Weak light will affect the growth of plants, but the intensity of light and the length of light will also affect the growth of plants. How many watts of plant lights should be equipped with one square meter? How to choose plant lights for ornamental plants?

First of all, it is clear what type of planting, such as plant factories, plant factories generally: have fixed facilities; use computers and various sensing devices to implement automation and semi-automation to control the temperature, humidity, light intensity, and light time required for plant growth and development. and CO₂ concentration are automatically adjusted; nutrient solution cultivation technology is adopted; the quantity and quality of products are greatly improved. Plant factories are already a mature process in modern times, because the size of plant factories is different, and the plant lights required for different plants can only be obtained through the calculation of professional data.

Ordinary household or specific plants: Generally speaking, red and blue LED lights are used. 6 square centimeters corresponds to 1 watt. This kind of power LED illumination algae tank with low algae grows well. The area of the flower stand area is one meter square, and 20W red and blue LED lights are enough. The precise control of the light environment mainly includes three aspects: spectrum, light intensity and photoperiod, which is the so-called "light recipe". In sunlight, only about 5% of light of different wavelengths has an impact on photosynthesis, and a large amount of light cannot be used by plants, which is discontinuous, selective and replaceable with the necessary light quality required for plant growth sex related. Red light and blue light are the necessary light quality for the normal growth and development of plants and the completion of life cycle. Adding some special light quality components on the basis of red and blue light can effectively promote the increase of crop production or stimulate the accumulation of effective secondary metabolites of medicinal plants. Within a certain light intensity range, the photosynthetic rate of plants accelerates with the increase of light intensity. But it is not possible to increase the light intensity blindly. On the one hand, too high light leads to photoinhibition phenomenon, which affects the yield and quality.

When purchasing plant lights for specific plants, you can choose the power according to the needs of plant photosynthesis, but remember to choose the appropriate spectrum, light intensity, and photoperiod. Only in this way can the plant growth be promoted according to the difference of each plant.

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