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What is a crop coefficient (Kc) and how can I obtain it?

April 26, 2017coefficient CROP KC obtain

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What is a crop coefficient (Kc) and how can I obtain it?

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A crop coefficient is a factor that is used to convert ETo into estimated evapotranspiration (ETc) for a specific crop. It is a dimensionless number ranging in values roughly between 0.1 and 1.25. It depends on many factors including crop type, stage of growth, the equation used to calculate ETo, and moisture content of the soil surface. For most crops and landscape vegetation growing in California, you can obtain Kc values and information by clicking on “ETo” from the CIMIS Home Page and then clicking on “Crop Coefficients”.