Corn’s Growth Outgrew the Old Saying | Dayton News cover art

Corn’s Growth Outgrew the Old Saying | Dayton News

Corn’s Growth Outgrew the Old Saying | Dayton News

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That old farming saying “knee-high by the Fourth of July” used to signal a promising harvest—but today, it’s a red flag. Thanks to genetic advances, disease-fighting tech, and earlier planting, corn’s grown taller and faster, making the old benchmark obsolete. If your crop isn’t knee-high yet? That’s not progress—it’s a warning sign. The saying’s become a relic, a nostalgic nod to a slower, simpler era of agriculture.

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