Growing the crop varieties that are best suited to your local conditions usually means a few more bushels in the bin, a few more tons of hay in the mow at the end of the crop season, better quality. So choosing the right variety is an important production decision- an important part of your crop plans for the coming year.
Johnson, I. J. and Robinson, J. L.
"Crop Varieties Recommended for Iowa,"
Iowa Farm Science: Vol. 3
, Article 7.
Available at: https://lib.dr.iastate.edu/farmscience/vol3/iss8/7