Lighting

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 »

UV Radiation and Applications in Horticulture

The effects of ultraviolet light (or UV radiation) on people are well known; it causes skin to tan and, with excessive exposure, can cause skin burn, skin cancer and eye damage. Effects of UV on... more »

Maximizing the Benefits of Supplemental Lighting

The amount of photosynthetic light inside greenhouses can be a limiting factor when crops are grown during the winter and early spring. For most ornamental crops, a common goal is to deliver an average daily... more »

Does Light Quantity Trump Light Quality?

When we think about lighting of plants, the different dimensions we consider are light quantity (intensity), light quality (spectrum), photoperiod (hours of light per day) and uniformity. Usually, we think of these four parameters independently,... 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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