The greenhouse designed to grow flowers and seedlings requires a light supplementary system. When the illumination is lower than the required volume, the lighting system will start to work. The special agricultural sodium lamp is used.
The sodium lamp has the following features
1. Damp-proof, long life time;
2. High efficiency of irradiance, light output is 10% higher than the normal sodium lamp;
3. The blue light increases by 30%, which makes a better balance of the energy between red and blue light;
4. It works with a special ballast, trigger and lamps.