MOP 70 is a comprehensive reference to estimating the water quantities needed for irrigation of crops projects based upon the physics of evaporation and evapotr

Irrigated agriculture produces about 40% of all food and fibre on about 16% of all cropped land. As such, irrigated agriculture is a productive user of resource

Calculation of crop evapotranspiration; Selection of crop coeficient; Calculation of field irrigation requirements.

This Task Committee report provides standardized equations for calculating reference evapotranspiration (ET) from weather data and procedures for quality assess