An Introduction to Vapor Pressure Deficit
How well do you understand temperature and relative humidity? By Harry Connor Vapor Pressure Deficit (VPD) is used by growers to assess how dry the air is at a given moment. If the air is too dry, photosynthesis will stop in order to protect the plant from exhaustion. Photosynthesis is the process of converting sunlight, […]
The Importance of Measuring Vapor Pressure Deficit
What is Vapor Pressure Deficit? Vapor Pressure Deficit (VPD) is a pressure value that combines both temperature and relative humidity(RH). VPD allows growers to understand stress in their plants. It is a measure of the evaporation potential, or the difference in “wetness” (the amount of water vapor), of the air at the leaf versus the […]
5 Things to Look for in a Light Deprivation System
As commercial cannabis production shifts to advanced year-round greenhouses, both growers and the environment stand to benefit. Greenhouses are many times more energy-efficient than indoor grow rooms, and can provide precise environmental control. Essential to control is a light deprivation system, which allows greenhouse growers to control the photoperiod, allowing for the 12/12 cycle required […]