TABLE OF CONTENTS (continued) 



Page 



Evapotranspirometer Measiirements 36 



Alturas-Dorris Ranch Evapotranspirometer Measxirments .... 37 



Coleville Evapotranspirometer MeasTirements ......... 39 



Davis Evapotranspirometer Keasurments UO 



Evapotranspiration Data Summary iiO 



CHAPTER IV. CORRELATION OF EVAPOTRANSPIRATION DATA 



WITH AGROCLIMATIC DATA 51 



Evapotranspiration and Climatic Data ............ 52 



Evapotranspiration and Plant Conditions 53 



Evapotranspiration and Soil Moisture ....• 5U 



Other Factors Affecting Evapotranspiration 55 



Determination of Coefficients 55 



Grass and Pasture Coefficients 57 



Alfalfa Coefficients 58 



Cotton Coefficients 63 



Application of Coefficients and Evaporation Data to 



Estimation of Evapotranspiration , 67 



CHAPTER V. SUMMARY, CONCLUSIONS MD RECOMMENDATIONS . . 71 



Suininary 71 



Conclusions • 7h 



Recommendations .... .... .....•.•• 75 



Appendix A. Supplemental Agroclimatic and Evapo- 

 transpiration Data 77 



iv 



