@article{annals-of-iowa 14032, author = {}, title = {Iowa Corn Yield 100 Years Ago}, volume = {29}, year = {1948}, url = {https://pubs.lib.uiowa.edu/annals-of-iowa/article/id/14032/}, issue = {3}, doi = {10.17077/0003-4827.6599}, abstract = {}, month = {1}, pages = {175-175}, issn = {2473-9006}, publisher={State Historical Society of Iowa}, journal = {The Annals of Iowa} }