Technically Speaking

Technically Speaking: Advancements in horticultural lighting
The science, engineering and application of horticultural lighting advances with developments in light-emitting diode (LED) technology. In the past de... more »
Technically Speaking: Several Consequences of Growing Too Cool
An increase in natural gas exports, geopolitical events and strong demand have led to a considerable increase in fuel prices in the last two years. Un... more »
Top GPN Columns of 2022
Vaughn's View, Dr. Bugs, 40 Under 40 Perspectives, Technically Speaking and Culture Report all offer great insights throughout the year in the pages o... more »
Technically Speaking: Air, Leaf and Root-Zone Temperature
Temperature is the primary factor that influences the rate of cell division, which is the driving force for plant development. The rate ... more »
Water Vapor-Pressure Deficit
The amount of water in the air (water vapor) influences the rate of water loss by plants, growing substrates and other surfaces. Relative humidity (RH... more »

The Buzz of Secondary Metabolites
The diversity of crops grown in greenhouses and indoor vertical farms continues to expand. One broad segment that is increasing dramatically is the pr... more »