Lighting

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 »

Energy-Saving Climate Control for Cultivating Greenhouse Ornamentals

On both sides of the Atlantic, greenhouse growers are faced with the challenge of how to reduce energy costs in greenhouse cultivation. As a company that has developed horticulture lighting for more than 10 years,... more »

Developing New Plant Lighting Standards

Standards are developed so there is consistency and conformity in products to improve confidence and comparability in new technologies. Until now, standards for electric lighting were specifically for human applications, such as for indoor lighting... more »

Investment Considerations for Greenhouse Lighting

The yield of greenhouse vegetables is largely driven by the amount of photosynthetic light provided to plants. As radiation increases, plant biomass increases, resulting in greater fresh weight of leafy greens and more and larger... more »

Supplemental Greenhouse Lighting: Evaluating Innovative Technologies

Fall is a wonderful time of year for ornamental greenhouse growers. The busy spring/summer season is over, your garden chrysanthemum/fall crops are mostly shipped out, and if you grow poinsettias your greenhouse is starting to... more »

Sole-Source Lighting of Plants

Sole-source lighting is a term used to describe the delivery of light to plants that do not also receive light from the sun. In other words, electric lighting is delivered indoors and provides the sole... more »

Latest Photos see all »

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.

75 Applewood Drive, Suite A
P.O. Box 128
Sparta, MI 49345

616.887.9008
May 2019 GPN
Get one year of Greenhouse Product News in both print and digital editions for free.


Interested in reading the print edition of GPN?

Subscribe Today »



Be sure to check
out our sister site.
website development by deyo designs