Results of the Iowa Crop Performance Test-Corn are published to aid Iowa farmers in selecting corn hybrids. This is the 85th consecutive year for the test. These data are first released on the Iowa Crop Improvement Association's homepage at http://www.agron.iastate.edu/icia/ usually around the end of November.
Iowa State University
Lamkey, Kendall R.; Vinson, W.H.; and Turnbull, C.J., "The 2004 Iowa Corn Yield Test Report, District 1" (2004). Iowa Corn Yield Tests. 239.