The primary purpose is to supply interested individuals with information on the relative performance of the hybrids entered, when grown under similar environmental conditions. Information In the accompanying tables includes acre grain yields in bushels, moisture percentages of either ear or she I led corn when harvested, performance scores and other related information. Records of performance of the corn hybrids harvested in 1967 as well as two-, three-, four-, and five-year averages of yield and moisture percentages are presented where available. The trials reported in this circular have been conducted under the Agronomy program in Crop Performance Testing, Agricultural Experiment Station