1966 Iowa Corn Yield Test


Book Description




1965 Iowa Corn Yield Test


Book Description




1967 Iowa Corn Yield Test


Book Description







Bulletin P


Book Description










The 1953 Iowa Corn Yield Test


Book Description

"This bulletin reports the results of the 1956 Iowa Corn Yield Test. The purpose of the report is to provide information to help Iowa farmers select hybrids best adapted for the area in which they live. The presentation of these results does not imply approval or endorsement of these hybrids by any of the cooperating agencies conducting this test." -- p. 3




The 1963 Iowa Corn Yield Test


Book Description

"The results of the Iowa Corn Yield Test are published as an aid to Iowa farmers in selecting corn hybrids adapted to their farms. This is the forty-fourth consecutive year for the Iowa Corn Yield Test sine its beginning in 1920 and the fourth consecutive year in which a picker-shelter has been used to harvest a majority of the test fields. Additional data are presented this year for high plant populations in tables 1, 6 and 12. The maturity trials at Ankeny and Kanawha include 2-, 3- and 4-year information for the first time. Soil fertility information of test fields is included for 1563." -- p. 3