Popularization of LED plant lamp knowledge: 1. The effect of different wavelengths of light on plant photosynthesis is different. The wavelength of light needed by plant photosynthesis is about 400-700nm. 400-500nm (blue) light and 610-720nm (red) light contributed most to photosynthesis. 2. Blue (470 nm) and red (630 nm) LEDs can just provide the light […]