Iowa farmers have changed oat varieties twice since 1941. Our chart illustrates the change- the rise and the decline of Boone, Tama and other Victoria strains, then the sharp swing to Clinton since 1945.
Murphy, H. C.
"There'll Be More "New Oats","
Iowa Farm Science: Vol. 3
, Article 4.
Available at: https://lib.dr.iastate.edu/farmscience/vol3/iss6/4