Planting Date Study

2020 Ohio Corn Planting Date Study - Population Response

  • Ohio

The purpose of this study is to determine the economic optimum seeding rate relative to planting dates and if planting populations should be adjusted when planting is delayed.

2020 RESULTS

OBSERVATION

The higher ROI at the lower planting population that was replanted in June is likely due to the dry weather in 2020.

2-HYBRID AVERAGE NET RETURN

STUDY INFORMATION

Planted Various | Harvested Various | Population Various | Row Width 30 in. | Previous Crop Soybeans | Tillage Fall: No-Till, Spring: No-Till | Herbicides Pre: 2 lb. Atrazine, 5.6 oz. Corvus®, 1 qt. Roundup PowerMAX® | Insecticides Escalate® | Starter 10 gal. 28-0-0 2x2 | Total Nitrogen 190 units as UAN | Soil Type Kokomo (Silty-Clay Loam) | Soil Test Values pH 7, O.M. % 5.7, CEC 19.2 | Percent Base Saturation Ca 65, Mg 33.1, K 1.9, H 0 | Parts Per Million P 42, K 139, S 5, Zn 2.8, Mn 27, B 0.9

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