Article: Twin Rows Show Promise.(corn breeding)

Byline: Darrell Smith

Comparisons of conventional wide-row corn and twin rows have Leonard Robison, Bloomfield, Iowa, thinking twin rows deserve a much bigger test in 2005. "One report says there is a yield advantage for twin rows, and the next one says there isn't," Robison says. "I decided to find out for myself."

Using three hybrids, Robison planted single 38" rows across one half of a 100-acre field and twin 7" rows on 38" centers in the other half. (For the single 38" rows, he used his regular corn planter; for the twin rows, he used a planter he built.) With one hybrid, Robison planted a second twin-row strip to finish out the field, resulting in ...

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