Most Iowa pastures are giving poor returns; they've been neglected and abused. Emphasis has been on improved and efficient methods of growing corn, soybeans and other plowland crops that can be sold for cash, or fed when livestock prices are favorable.
Scholl, J. M.; Hughes, H. D.; and Krenzin, R. E.
"A Look At Iowa Pastsures,"
Iowa Farm Science: Vol. 8
, Article 7.
Available at: https://lib.dr.iastate.edu/farmscience/vol8/iss7/7