What is the vapor pressure difference (VPD) between the leaf and the atmosphere under the following conditions: Air temperature = 32 C Air Relative humidity - 75% Leaf temperature - 27 C Temperature (°C) Cwv (mol m3) 0.269 0.378 10 0.522 15 0.713 20 0.961 25 1.28 30 1.687 35 2.201 40 2.842 45 3.637 1 -10 0 10 20 30 40 50 Air temperature (°C) Saturation water vapor concentration, wv(sat.) (mol m-3) 하

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