Supplemental Lighting

Supplemental lights for greenhouse

Team Nexsel
January 12, 2023

india Supplemental Lights 2
What is supplemental light?
Supplementary lighting is an artificial lighting source used in green house to get sufficient
light quantity and quality. Supplemental lighting extends the hours in a day.
Do we require supplemental light in green house?
Greenhouse requires certain amount of lights for particular time period depends on plants,
if this can’t be done naturally then we have to provide supplementary lighting.
Supplemental lighting is the use of multiple, hight intensity light source to promote plant
growth.
Supplemental lighting is used in greenhouses to increase crop production during time
periods with low levels of solar radiation. These time periods usually occur during the
winter months and during the cloudy time in rainy season.
For long day plants sometimes, we have to give very low light intensity for longer duration
such type of lighting is called photo- periodic lighting.
How to calculate supplemental lights?
Supplemental light: Plant lighting requirement (DLI) – Available DLI from sunlight

Types of supplemental lights : 

▪ Incandescent Bulbs
▪ Fluorescent Lamps
▪ Compact Fluorescent ▪ Lamps
▪ Metal Halide (MH)
▪ High Pressure Sodium (HPS)
▪ Lighting Emitting Diode 

Incandescent Bulbs

▪ Fluorescent Lamps
▪ Compact Fluorescent Lamps
▪ Metal Halide (MH)
▪ High Pressure Sodium (HPS)
▪ Lighting Emitting Diode

Supplemental Lighting

▪ Greenhouse Supplemental Lighting
▪ LED Supplemental lighting
▪ Supplemental lights in India
▪ Supplemental grow lights
▪ PAR Lights
▪ LED PAR Light

References:
#GreenhouseSupplementalLighting #Supplementallighting #LEDsupplemnetallighting #supplementallightsinindia #supplementalgrowlights @PARlights

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