The ordinary LED lamp can replace the plant fill light lamp, but the effect is not very good.
The light of the wavelength of the plant light supplement lamp is conducive to plant growth, and the full spectrum lamp has ultraviolet and far-infrared spectrum, which is conducive to improving the sugar content of the plant and improving the taste.
Greenhouse is widely used to produce anti season flowers, fruits, vegetables, etc. due to the short sunshine time in winter and spring, slow growth of crops and low yield, it is urgent to supplement light. Most of northern China is located in the east of Asia, which belongs to the temperate monsoon climate. In winter and spring, influenced by the cold air of Siberia, sometimes rain and snow are formed due to the convergence of cold and warm air. There were 1-3 days of low temperature and 7-8 days of continuous overcast.