U.S. Farmers Say Modern Corn Hybrids Grow Fast, "Knee-High" Old Saying Outdated

en.Wedoany.com Reported - Wisconsin farmer Mike Berget noted that modern corn hybrids grow significantly faster in the early stages than older varieties. The farmer, who grows crops near River Falls in western Wisconsin, said the traditional saying "knee-high by the Fourth of July" no longer applies. Today, corn reaches that height around June 10, with crop growth exceeding expectations and maturity arriving earlier.

Berget believes it is more accurate to say that modern corn hybrids can reach chest height around the Fourth of July. This change has also affected mid-season management strategies, with the timing of nitrogen topdressing significantly advanced.

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