The double-ended HPS lamp
DOWNLOADSeptember 23, 2014 - Erik Runkle
Double-ended high-pressure sodium lamps are considerably more efficient at converting electricity into light useful for photosynthesis than single-ended lamps.
September 23, 2014 - Erik Runkle
Double-ended high-pressure sodium lamps are considerably more efficient at converting electricity into light useful for photosynthesis than single-ended lamps.