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Feasibility Of Site-Specific Management Of Corn Hybrids And Plant Densities In The Great Plains, J.F. Shanahan, Thomas A. Doerge, Jerry J. Johnson, Merle F. Vigil

Department of Agronomy and Horticulture: Faculty Publications

The goal of this research was to determine the potential for use of site-specific management of corn hybrids and plant densities in dryland landscapes of the Great Plains by determining (1) within-field yield variation, (2) yield response of different hybrids and plant densities to variability, and (3) landscape attributes associated with yield variation. This work was conducted on three adjacent fields in eastern Colorado during the 1997, -98, and -99 seasons. Treatments consisted of a combination of two hybrids (early and late maturity) and four plant densities (24,692, 37,037, 49,382 and 61,727 plants ha^-1) seeded in replicated long …