Johnson, IverRobinson, Joe2021-02-252021-02-251950-02-01https://dr.lib.iastate.edu/handle/20.500.12876/95829<p>Here are crop varieties recommended for Iowa in 1950. Each one is backed by long and painstsaking experiment and research.</p>articleisulib-bepress-aws-west147920028802farmscience/vol4/iss8/2Agriculture