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Corn products that respond to higher plant densities fit high-yield systems, but that response may be different from products that fit standard systems or in individual fields. The planting density should be matched to soil characteristics, topography, and productivity factors. Variable rate planting, precision seed distribution, and depth control can help maximize stand establishment. Narrow- or twin-row arrangements have been shown to be an effective way to accommodate higher plant populations and more equidistant plant spacing. Soil and yield mapping can improve variable rate planting plans and help make planter adjustments to improve seed spacing, singulation, and depth control required at higher plant densities.