Extremes marked the weather during the 1997 growing season, but average yields didn't seem to suffer. Dale Farnham, ISU Extension agronomist, said a late frost in mid May caused minimal damage in some isolated fields that had early emerged seedlings, but the next day the temperature was 92 degrees in Ames.
Iowa State University
Farnham, Dale E. and Adcock, Edmund David, "Yields contradict weather extremes" (1998). Integrated Crop Management News. 2321.
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