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Posted on by hunterwLast updated

Vapor Pressure Deficit

What is VPD? Vapor Pressure Deficit (VPD) is the difference, or deficit, between the vapor pressure of water in the air versus vapor pressure of water in the leaf of a plant. Thus, VPD is a means of measuring potential water stress within a plant. It is a more accurate measurement than ...



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Hunter Wilson is a community builder with Growers Network. He graduated from the University of Arizona in 2011 with a Masters in Teaching and in 2007 with a Bachelors in Biology.