Add to ORKGThe primary purpose of this circular is to supply interested individuals with information on the relative performance of the hybrids entered in each test, when grown under similar environmental conditions. Information in the accompanying tables includes acre grain yields in bushels, moisture percentages of either ear or shelled corn when harvested, performance scores and other related information. Records of performance of the corn hybrids harvested in 1968 are presented as well as two-, three-, four-, and five-year averages of yield and moisture percentages where available. The trials reported herein have been conducted under the Agronomy program in Crop Performance Testing, Agricultural Experiment Station