Harry C. Minor is an Associate Professor of Agronomy and State Extension Specialist; Carl G. Morris and Howard L. Mason are Senior Research Specialists; and Delbert R. Knerr and Eric E. Lawman are Research Specialists in Agronomy.Compares hybrids and includes experimental procedures, yield results and seed corn company addresses.Comparing hybrids -- Experimental procedures -- Summary of results -- Yield results -- Seed corn company addresse