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Response of Corn Grain Yield to Spatial and Temporal Variability in Emergence

^a Dep. of Plant Agric., Univ. of Guelph, Guelph, ON, Canada, N1G 2W1
^b Ontario Ministry of Agric. and Food, Crop Science Building, Univ. of Guelph, Guelph, ON, Canada, N1G 3E1

View larger version (49K): [in a new window]   Fig. 1. Plant spacing and emergence treatments are composed of repeatable sequences and each sequence unit consists of six corn plants: E, early emergence; EM, early emergence except for one plant with a two-leaf emergence delay; EL, early emergence except for one plant with a four-leaf emergence delay; 20, corn plants spaced uniformly at 20 cm; 40, corn plants spaced uniformly at 20 cm except for one 40-cm gap and double plants; 60, corn plants spaced uniformly at 20 cm except for one gap of 60-cm spacing and triple plants. The numbers under diagram indicate plant position.