The purpose of this study is to evaluate a continuous corn rotation and a corn-after-soybean rotation and compare their effects on yield.

2019 Southern Illinois Corn Crop Rotation Study

The impact of improved carbon/nitrogen ratios following soybeans may be more pronounced with later planting due to delays in residue breakdown in corn-after-corn rotations.

 Fall: Vertical-Till/In-Line Rip, Spring: Vertical-Till | 

 Burndown: 40 oz. Roundup PowerMAX® Pre: 2.5 qt. Acuron®, 22 oz. Roundup PowerMAX® Post: 1 qt. Liberty®, 18 oz. Outlook® |

Escalate® | Starter 10 gal. 28-0-0 2x2 | 

2021 Iowa Corn Thin Stand Management Study - Fungicide Response

2021 Iowa Corn Sulfur Rate & Timing Study

Crop Rotation Study

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