This publication presents an updated procedure for calculating reference and crop evapotranspiration from meteorological data and crop coefficients. The procedure, first presented in the FAO Irrigation and Drainage Paper...

This resource from the Food and Agriculture Organization of the United Nations focuses on crop water use. The diagrams and explanations provided here show the influence of climate on crop water needs, the influence of...

This web site, presented by the University of Nebraska-Lincoln Extension, provides information on average weekly crop water use values for the major crops grown in Western Nebraska. The information is best used for...

In arid climates, such as the Southwestern United States, "rainfall is scarce and evapotranspiration rates are high." This type of climate often makes the practice of "water harvesting" necessary for sustaining plant...