CONTENTS 



Page 



Study area 1 



Location 1 



Soil . 2 



Climate 3 



Procedure 5 



Experimental design 5 



Moisture levels 5 



Fertilizer treatments 5 



Cultural practices 5 



Evapotranspiration determinations 6 



Other measurements 6 



Results and discussion 6 



Evapotranspiration 6 



Grain yield 8 



Grain quality 11 



Other crop characteristics 12 



Water use efficiency 14 



Irrigation water management 15 



Summary and conclusions 16 



Literature cited 17 



Appendix 18 



Washington, D.C. Issued August 1965 



