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- Allen, Richard G., et al. Show all 4 Authors
- Agronomy journal 1989 v.81 no.4 pp. 650-662
- height; plant characteristics; Medicago sativa; grasses; canopy; evapotranspiration; estimation; mathematical models; stomatal conductance; leaf area; reference standards
- ... Many forms of the Penman combination equation have been proffered for estimating daily evapotranspiration (ET) by the agricultural reference crops grass and alfalfa (L.). This study was conducted to evaluate popular forms of the Penman equation, and to develop and evaluate general relationships for estimating daily average values of canopy and aerodynamic resistance parameters required by the Penm ...