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Southeastern growers often question what the optimal row spacing in corn is to maximize yield. Most growers in the southeast plant their crops with a 36-inch row spacing due to utilizing the same planter for cotton, corn and peanuts. The purpose of this research was to determine if corn yields could be increased by planting on narrower rows versus the standard 36-inch row pattern.
The objective of this experiment was to evaluate the response of two DEKALB® corn products planted at three different row spacings.
Figure 1. Average corn yield (bu/acre) by corn product and row spacing.