High pressure sodium lamp, metal halide lamp, plant growth lamp and LED plant growth lamp
1, LED is more energy efficient, about 1/4 of the energy consumption of high pressure sodium lamp and metal halide lamp2, high pressure sodium lamp and metal halide lamp are only suitable for greenhouses, not for multi-storey plant factories3, high pressure sodium lamp and metal halide lamp are not suitable for breeding stage, LED is suitable for all stages of plant growth4, high pressure sodium lamps and metal halide lamps are much cheaper than LED5, high pressure sodium lamp and metal halide lamp life is much shorter than LED (only 1/2)
