At permanent wilting point (PWP) the pF value is

A. 1.5

B. 2.5

C. 4.2

D. 5.0

Answer: Option C

Solution(By Examveda Team)

PWP is a Permanent wilting point the point when there is no water available to the plant. Whereas the pF value of a soil is a quantity that indicates the quality of water contained in the soil.
At PWF the value of pF is 4.2 pF.