Recently, commonly used man-made light sources for the greenhouse there are high pressure sodium, fluorescent lamps, low pressure sodium, metal halide lights. In these years, with the high-power LED Lighting in the successful development of new energy-saving LED light source also attracted wide attention.
Ordinary fluorescent lamps provide more green, about 50%, and the rest are mostly red, blue, and each accounted for about 25% of the total spectrum, the low percentage of far red spectrum. Efficient fluorescent light, long life (about 12000h), but the power is small (currently used with both 28W and 36W), required to meet certain illumination lamps and more.

10月 9th, 2011
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