 He taught and conducted research on wheat production at Kansas State from 1913 to 1931.In 1931, he became Principal Agronomist in the United States Department of Agriculture (USDA) "Office of Cereal Crops and Diseases".While serving as the cereal crops consultant with the U.S. Army of Occupation in Japan after World War II, Salmon noted the vigorous, productive semi-dwarf wheats developed in Japan.