The difference between LED plant growth lamp and high pressure sodium lamp in horticultural production

Plant Grow LED Lights -

The difference between LED plant growth lamp and high pressure sodium lamp in horticultural production

The difference between LED plant growth lamp and high pressure sodium lamp in horticultural production
Greenhouse, a relatively closed production system, will play an important role in meeting the growing demand for food in the future. In recent years, the lack of greenhouse light has attracted more and more attention. On the one hand, it is the decline of greenhouse light transmittance caused by the orientation, structure and covering material characteristics of the greenhouse. On the other hand, it is the lack of greenhouse crop light caused by climate change, such as continuous cloudy and rainy weather in winter and early spring, frequent haze weather, etc. Insufficient light directly has an adverse impact on greenhouse crops and causes serious losses to production.
Plant fill light can effectively alleviate or solve these problems. Incandescent lamps, fluorescent lamps, metal halide lamps, high pressure sodium lamps and new LED plant growth lamps have been used in greenhouse or supplementary lighting. Among these light source types, high-pressure sodium lamps have high light efficiency, long service life and high comprehensive energy efficiency, and occupy a certain market position. However, the problems of poor lighting continuity, low safety (including mercury) and non close irradiation of high-pressure sodium lamps are also prominent.

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