Journal Issue:
The 1966 Iowa corn yield test Bulletin P: Volume 8, Issue 137

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The 1966 Iowa corn yield test
( 1967-02-01) Hillson, M. ; Hutchcroft, C. ; Extension and Experiment Station Publications

The results of the Iowa Com Yield Test are published to aid Iowa farmers in selecting corn varieties adapted to their farms. This is the forty-seventh consecutive year for the Iowa Corn Yield Test since its beginning in 1920 and the seventh consecutive year in which a picker-sheller has been used to harvest most of the test fields.

Individual-year yield data are presented for com varieties entered two or more consecutive years in a district. One-, 2- and 3-year yield averages are presented in tables 1 to 6 for both high and normal plant populations for each district. Information concerning other attributes of the entries tested also are listed in tables 1 to 6. This is the fourth year of the district arrangement shown in fig. 1 and the fourth year in which all entries are compared at both high and normal plant populations at each location.

The presentation of data for the varieties tested does not imply approval or endorsement by the authors or by the agencies sponsoring or conducting the test. The entry names listed in the tables are their brand and variety designations.

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