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Corn Response to Within Row Plant Spacing Variation

^a Dep. of Agronomy, 1575 Linden Dr., Univ. of Wisconsin, Madison, WI 53706
^b Univ. of Wisconsin Coop. Ext., Madison, WI 53706

View larger version (28K): [in a new window]   Fig. 1. Target plant spacing variation (PSV) treatments for two-, four-, and eight-plant patterns for plant densities of 37000 and 74000 plants ha–1. The control is zero PSV.

View larger version (21K): [in a new window]   Fig. 2. Relationship between relative grain yield and plant spacing variation (PSV) for two-, four-, and eight-plant patterns at 74000 plants ha–1 (y = 96.4, if x < 12.0 and y = 109.1 – 1.06x, if x > 12.0; R2 = 0.57). Relative grain yield was determined for each plot as yield divided by the average yield from the greatest yielding PSV treatment for each environment.