Interaction Between Row Spacing and Yield: Why it Works
K. D. Thelen
This article defines conditions that favor a positive yield response to narrow-row corn. The yield response in switching to narrow rows would be expected to be greater under more challenging growing conditions compared to the switching to narrow rows under more optimal growing conditions. Under more optimum growing conditions the gain from more equidistant spacing is negligible since the potential yield-limiting factors are available in abundance ("saturation") at the wider row spacing.
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