University of Arizona, College of Agriculture 



Agricultural Experiment Station 



Twenty-Eighth Annual 



Report 



For the Year Ending June 30, 1917 



(With subsequent items) 



Consisting of reports relating to 



Administration, 



Agronomy, Botany, Horticulture, 



Plant Breeding, Animal Husbandry, 



Entomology, Chemistry, 



Irrigation Investigations, 



And including a report on 



Agricultural Education 



Tucson, Arizona, December 31, 1917 



