Saturation pressure e(T) = 0.6108 × exp[17.27T/(T+237.3)] kPa. Air VPD = e(air) × (1−RH fraction); leaf-to-air difference = e(leaf) − e(air)×RH.
How to use VPD Calculator (Vapor Pressure Deficit)
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Calculation method
Saturation pressure e(T) = 0.6108 × exp[17.27T/(T+237.3)] kPa. Air VPD = e(air) × (1−RH fraction); leaf-to-air difference = e(leaf) − e(air)×RH.
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Continue with Air VPD and Leaf-to-Air Pressure Difference Are Not Always the Same for the other part of this measurement question.
Continue with Temperature and Humidity Readings Need a Shared Place and Time for the other part of this measurement question.
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