2015•Unpublished venueRequires access
Climate Prediction Center Weekly Corn Growing Degree Days
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Abstract
a corn growing degree day gdd is an index used to express crop maturity the index is computed by subtracting a base temperature of 50 f from the average of the maximum and minimum temperatures for the day minimum temperatures less than 50 f are set to 50 and maximum temperatures greater than 86 f are set to 86 these substitutions indicate that no appreciable growth is detected with temperatures lower than 50 or greater than 86 this data is provided weekly from march 1 to november 2 of the current year