SPAC concept was given by

A. Phillip

B. Keith

C. Devries

D. Tull

Answer: Option A

Solution(By Examveda Team)

SPAC is Soil Plant Atmosphere Continuum, is a unified system which is proposed by John Philip, 1966. It is the pathway for the movement of water from the soil through plants to the atmosphere ultimately, this movement is based on the higher water potential regions to the lower water potential region. In this water and energy transfer occurs from soil through plants to the atmosphere.