Lighting

Purple vs. Pink vs. White LED Fixtures

There are two primary types of light-emitting diodes (LEDs) used in horticultural applications. The first type is an LED that emits a specific color of light, such as blue light or red light (Figure 1).... more »

Grant Helps Light the LAMP

Reducing energy costs is a goal for pretty much any grower — no matter what the crop that is being grown. Thanks to a $5 million grant from the U.S. Department of Agriculture National Institute... more »

Consortium to Offer Webinar on Standardized Horticultural Lighting Label

The Greenhouse Lighting and Systems Engineering (GLASE) consortium will present a webinar on a newly proposed standardized horticultural lighting label. The webinar will take place on Sep 7., at 2:00 pm eastern time. Recent advances... more »

Signify Introduces New LED Toplighting with Higher Output

Signify (formerly Philips Lighting) has introduced the new Philips GreenPower LED toplighting high output with a light efficacy up to 3.0 µmol/J and an output of 800 µmol/s. The new module will help greenhouse growers improve the... more »

An Update on Lighting Efficacy

In plant lighting, the efficacy (or more precisely, the photosynthetic photon efficacy) of a fixture quantifies how effectively a fixture converts electricity into light useful for photosynthesis. It is determined by the amount of photosynthetic... more »

Use a High Yield Photoperiod to Increase Lettuce Production by 40 Percent

{Sponsored} Daily Light Integral (DLI) is a commonly used metric to describe the amount of light a plant receives in a day. It is well-established that an increase in DLI generally correlates with an increase in... more »

LED Growers’ Guide for Leafy Greens Now Available

{Sponsored} Want to learn how to maximize your leafy green yields? LumiGrow's LED Growers’ Guide for Leafy Greens can teach you how to increase your crop's fresh weight by more than 40 percent for baby... more »

Horticultural Lighting Applications

Lighting from electric lamps is increasingly being used in the production of horticultural crops grown in controlled environments. However, sometimes there is confusion about the different lighting applications and what type of lighting is needed... more »

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GPN recognizes 40 industry professionals under the age of 40 who are helping to determine the future of the horticulture industry. These individuals are today’s movers and shakers who are already setting the pace for tomorrow.

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