The researchers concluded that use of rotating high-pressure sodium lamps could be effective in commercial production as long as the light intensity is above the recommended value.

Interested in more articles & announcements on LED lighting? The Lunera HID LED 360 replaces traditional metal halide (MH) and high-pressure sodium (HPS) High Intensity Discharge (HID) lamps. The HID ...

Bedding plant seedlings were grown at 21C under ambient solar light and supplemental lighting from either high-pressure sodium lamps or LED arrays with varying proportions of red:blue light ...

How LED lighting treatments affect greenhouse tomato quality LEDs show potential as cost-saving alternative to overhead high-pressure sodium lamps Date: December 21, 2015 Source: American Society ...

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Flicker. Dimming HID lamps, particularly high pressure sodium lamps, can make flicker more visible. Increasing emphasis on energy efficiency is going to make it necessary for lighting system designers ...

Comparing LED Lighting To High-Pressure Sodium Lamps Authors Currey, C.J., R.G. Lopez Publication Greenhouse Grower, October 2013, 34-40 Categories: Archive Extension Publications Light ...

Indoor grow specialists all over the world use blue-heavy metal halide lamps (MH) for vegetative growth and switch to red-heavy high pressure sodium (HPS) lamps for flowering, but is this pricey ...

Mayor Rahm Emanuel toured Lyons View Manufacturing on Friday, where workers were assembling the LED lights that will replace existing high pressure sodium lamps.

Travel deep enough below Earth’s surface or inside the center of the Sun, and matter changes on an atomic level. The mounting pressure within stars and planets can cause metals to become nonconducting ...