Source: Matthew Wilde, PROGRESSIVE FARMER, 3/23/22

Banding dry fertilizer prior to planting corn, or possibly in-season, can help farmers get the most out of costly nutrients and boost yields. Fred Below, a professor of crop physiology at the University of Illinois, said the current corn yield gap is 439 bushels per acre (bpa). That's the difference between David Hula's world-record irrigated corn yield of 616 bpa, set in 2019 near Charles City, Virginia, and the 2021 national average corn yield of 177 bpa.

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