Lighting
Looking for a Seasonal CEA Crop? Consider Strawberries
The interest in greenhouse strawberries has been increasing over the last few years. Part of this has to do with the demand for year-round production of the crop. The variability in quality and availability of... more »
Free Lighting Workshop Set for This Week
This week, Extension educators from Michigan State University will present a half-day workshop on "Greenhouse Lighting: Are LEDs Right for You." The workshop will take place on Wednesday, Oct. 9, from 11:30 a.m. until 4:30... more »
Including Far Red in an LED Lighting Spectrum
Far red (FR) is a one of the radiation (or light) wavebands that regulates plant growth and development. Many people consider FR as radiation with wavelengths between 700 and 800 nm, although 700 to 750... more »
Managing Light Pollution
Greenhouse owners and operators are increasingly adding supplemental lighting to increase plant growth. The virtues of high-intensity lighting have been known for decades, but installations are increasingly common as developments in conventional and LED lighting... more »
An Overview of Long-Day Lighting
Long-day lighting refers to the delivery of long photoperiods, or day lengths, to regulate the flowering of plants. More specifically, when the days are naturally short, the delivery of electric lighting can delay or prevent... more »

Indoor Grow Rooms Can Improve the Success of Young Plant Propagation
Although light is a critical factor in the propagation of plants produced from seed and vegetative cuttings, it is only one of the components of propagation. “Initially the light conditions are important, including light quality... more »
Horticulture’s History with Disruptive Technology: LED Lighting Takes Its Turn
Our greenhouse industry has an impressive history of embracing disruptive change and each of us has a personal perspective regarding time and change. One reference point for all of us is measured in terms of... more »
Is Green Light Useful to Plants?
Fact or fiction: Green light is not useful for photosynthesis. While I don’t hear or read this statement as often as I used to, it is a myth that continues to be perpetuated by people... more »