Iowa wheat raisers have a new winter wheat variety- it's high yielding, top quality and winter heardy. Winter hardiness is the biggest improvement over other varieties, and that's where it gets its name- Iohardi.
Burnett, L. C.
"A New Winter Wheat For Iowa,"
Iowa Farm Science: Vol. 3
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol3/iss3/2