TY - JOUR AB - AU - DA - 1948/1// DO - 10.17077/0003-4827.6599 IS - 3 VL - 29 PB - State Historical Society of Iowa PY - 1948 TI - Iowa Corn Yield 100 Years Ago T2 - The Annals of Iowa UR - https://pubs.lib.uiowa.edu/annals-of-iowa/article/id/14032/ ER -