Arizona Agricultural Experimknt Station 401 



Olive: The effect of different methods of orcliard management 



and pruning upon the growth of tree and yield Hatch 



Potato: Study of conditions affecting the production of pota- 

 toes in Arizona Hatch ' State 



Spinach : Study of spinach as a market garden crop for south- 

 ern Arizona ' State 



Sweet Potato: Study of cultural and storage methods Hatch State 



Variety Studies: Type and varietal adaptation of fruits, vege- 

 tables, and ornamentals '. State 



IRRIGATION 

 G. E. P. Smith, \V. E. Code (From Nov. 4, 1918) 



A study of the relation of the evaporation rate to the duty of 

 water and of the factors controlling evaporation .^ Adams 



Ground-water supplies and pump irrigation in the Casa Grande 



Valley and San Simon Valley Adams State 



Pumping Machinery: A study to determine fundamental facts 



relating to the action and efficiency of various types Adams 



PLANT BREEDING 

 G. F. Freeman (Until Aug. 30, 1918) W. E. Bryan 



Alfalfa : Breeding for yield and quality Adams State 



Bean : Biological analysis of genus Plwscolus .Adams State 



Corn : Selective breeding for the improvement of corn varieties 



adapted to general farming in .\rizona State 



Date: To produce by crossing, selection, and inbreeding a va- 

 riety of dates of high quality which will ripen nautrally under 



Arizona conditions State 



Wheat: (a) To produce a wheat which will be productive and 

 at the same time maintain a high average of bread-making quali- 

 ties under Arizona conditions; (b) to make a biological analysis 

 of the unit characters of wheat varieties Adams State 



FINANCES 

 Table A following gives a complete statement of receipts and 

 disbursements for the College of Agriculture, including the Experi- 

 ment Station and the Agricultural Extension Service. It does not 

 include amounts spent by the Federal Department of Agriculture 

 in partial support of cooperative agricultural extension workers. 

 These items are shown in detail in the separate report of the Exten- 

 sion Service. Table B shows receipts and expenditures for the 

 Agricultural Experiment Station as reported to the Director of the 

 Office of Experiment Stations of the United States Department of 

 Agriculture. Table C gives in detail the several appropriations by 

 the State Legislature for the two years following the year covered 

 by this report. 



