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Farm Progress Reports

Article Title

Corn Row Spacing

Number

RFR A1535

Department

Agronomy

Fields

Crops and Soils

Areas

Corn

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 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, seeding rate, and nitrogen rate interactions.

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