AGRONOMY & METEOROLOGY

Crop evapotranspiration coefficient method

uses the crop coefficient to convert reference evapotranspiration into crop water demand.

ETc=KcET0ET_c=K_cET_0

symbols, variables and units

ET_c,ET₀: mm/d; K_c: dimensionless crop coefficient.

applicable conditions and boundaries

standard no water stress conditions; K_c changes with crops, growth stages and environment.

formula source code

The following is a copyable LaTeX expression.

ET_c=K_cET_0

Reference and Extended Learning

FAO Irrigation and Drainage Paper 56 ↗

is organized according to model definition and assumptions. Please check actual conditions and original literature before engineering, research and clinical use.

crop coefficientirrigation

Same subject formula

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