Lighting
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 wav... more »
Managing Light Pollution
Greenhouse owners and operators are increasingly adding supplemental lighting to increase plant growth. The virtues of high-intensity lighting have be... 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 a... 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 prop... 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 co... more »
DLI ‘Requirements’
The DLI refers to the daily light integral, which simplistically is the total amount of photosynthetic light delivered to plants each day. More techni... more »