Plant growth lights are artificial light sources, usually electric light sources, designed to stimulate plant growth by emitting electromagnetic spectrum suitable for photosynthesis. Plant lights are used in applications where there is no natural light or supplementary light is needed. For example: in winter, when the possible daylight hours may not be enough to achieve the desired plant growth, the lights are used to extend the time that plants receive light.

So in plant cultivation, what power of planting lights should be used to meet the light needs during the flowering stage?

The flowering period is suitable for full-wavelength fluorescent lamps with a power of 600-1000 watts. This type of lamp can provide sufficient light intensity to meet the light needs of plants during the flowering stage. Specifically, the light intensity required by plants during the flowering stage is 600-1000PPFD (light intensity unit), so it is more appropriate to choose a lamp with a power of 600-1000 watts.

In addition, the following points should be considered when choosing a supplementary light:

‌1. Light intensity and irradiation distance‌: Make sure the light is within the appropriate range, which can be measured by a professional light meter. The irradiation distance should be adjusted according to the power of the lamp. The greater the power, the farther the distance‌.

‌2. Spectrum type‌: Full-wavelength fluorescent lamps can provide the full spectrum required by plants, simulate natural light, and are suitable for plants in the flowering stage‌.

‌3. Daily lighting time‌: It is recommended to light 8-12 hours a day to ensure that the plants fully absorb nutrients and grow healthily‌.

‌4. Other parameters‌: Choose a fill light that is easy to install, suitable in size, and reasonably priced, while considering the home environment and plant type‌.

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Provide a series of lamps such as planting lamps, vegetable growth lamps, top light fill lights, inter-plant fill lights, scientific research dimming lamps, tissue culture lamps, etc., based on the research of different crops, develop the light environment required for different growth periods.