Q107: Water use efficiency is ______. - Mathematics, Statistics, Fluid Mechanics, Irrigation, Drainage & Water Laws - ICAR AIEEA PG 2024 - Water Science and Technology | Agrigyan

Water Use Efficiency (WUE) is defined as the yield or marketable crop production obtained per unit of water applied (or evapotranspired):

Where $Y$ is crop yield/production (kg/ha) and $W$ is water applied or consumed (ha-mm or $\text{m}^3$). It is generally expressed in kg/ha-mm or kg/$\text{m}^3$.