Wengert, GeraldHutchcroft, Charles2021-02-252021-02-251955-03-01https://dr.lib.iastate.edu/handle/20.500.12876/96287<p>Iowa farmers have over 500 name and numbers of hybrid corn varieties to choose from, according to a survey conducted in 1954 by the Iowa Crop Improvement Association.</p>articleisulib-bepress-aws-west194420388791farmscience/vol9/iss9/7Agriculture