FAO Blaney-Criddle method
A method to calculate grass reference crop evapotranspiration (ETo) based on long-term air temperature data, estimates for humidity, wind movement and sunshine duration, and a correction to ETc downward for elevations above 1,000 meters above sea level. See [[Blaney-Criddle Method]].
Authorization Path: 2.4.5.2.20.15