History and Evaluation of Hargreaves Evapotranspiration Equation

@inproceedings{Hargreaves2002HistoryAE,
  title={History and Evaluation of Hargreaves Evapotranspiration Equation},
  author={George H. Hargreaves and Richard G. Allen},
  year={2002}
}
A brief history of development of the 1985 Hargreaves equation and its comparison to evapotranspiration ~ET! predicted by the Food and Agricultural Organization of the United Nations ~FAO! Penman-Monteith method are described to provide background a information helpful in selecting an appropriate reference ET equation under various data situations. Early efforts in irrigation requirement computations in California and other arid and semiarid regions required the development of simplified ET… CONTINUE READING
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