The effect of different wavelengths of light on plant photosynthesis is different.The wavelength of light needed by plant photosynthesis is about 400-700nm. 430-450nm (blue) light and 630-660nm (red) light contributed most to photosynthesis.
Blue light can help plant photosynthesis, promote the growth of green leaves, protein synthesis and fruit formation; red light can promote the growth of plant roots and stems, help flowering and fruiting, prolong the flowering period , and increase the yield!
LED plant growth lamp is small in power but efficient, because other lights emit full spectrum, that is, there are 7 colors, and plants need only red and blue light, so most of the traditional light is wasted, so the efficiency is very low. What's more,LED plant growth lights can give red and blue light that plants need, so it is very efficient.That's why LED plant growth light is better than dozens of watts or even hundreds of watts of power.
The traditional sodium lamp spectrum is lack of blue light, and mercury lamp and energy-saving lamp spectrum is lack of red light,so the light compensation effect of traditional lamp is much worse than that of LED lamp, and compared with traditional lamp, it can save more than 90% of electric energy and greatly reduce the operation cost.
