Corn Hybrid, Seeding Rate, and Row Spacing Trial
- Andrew Weaver (Iowa State University)
- Mark A. Licht (Iowa State University)
- Fernando Marcos (Iowa State University)
Abstract
Corn plant populations have increased at approximately 400 plants/acre per year over the last two decades. Seeding rates are now commonly in the 32,000 to 38,000 seeds/acre range. Additionally, grain yields are increasing at approximately 1.8 bushels/acre per year since 1996. Because corn plant populations and grain yields are increasing, there has been a renewed interest in looking at corn row spacing and seeding rate.
How to Cite:
Weaver, A., Licht, M. A. & Marcos, F., (2026) “Corn Hybrid, Seeding Rate, and Row Spacing Trial”, Iowa State University Research and Demonstration Farms Progress Reports 2025(1), 7-8.
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