allowable depletion

Portion of plant-available water that is allowed for plant use prior to irrigation based in plant and management considerations. That part of soil moisture stored in the plant root zone managed for use by plants, usually expressed as equivalent depth of water in acre inches per acre, or inches. It is sometimes referred to as allowable soil depletion or allowable soil water depletion.

Authorization Path: 2.4.5.2.17.0