Question

what's matric potential?

Answer 1

matric potential Symbol ψ m. A component of water potential due to the adhesion of water molecules to nondissolved structures of the system, i.e. the matrix, such as plasma membranes or soil particles.

Answer 2

Matric potential is a consequence of the binding of water to materials such as soil particles, cellulose, and proteins, and the enclosure of water in capillaries or other fine pores