Planting Date Study

2017 Ohio Corn Planting Date Study

  • Ohio

The purpose of this study is to determine the optimum planting date window by planting on multiple dates throughout the growing season.

OBSERVATION

This season, the weather turned cool and wet the second half of April with four nights hitting temperatures below 45°F. Because of this, the greatest yield observed was between the May 1 to May 15 planting window. Emergence was measured during our ideal planting window of April 26 and our latest planting window of June 15. When we compared the emergence of these two planting dates, we found that the penalty for uneven emergence was much more severe with the later planting dates.

 

2017 PLANTING DATE EMERGENCE YIELD

 

5-YEAR OPTIMUM PLANTING DATE WINDOW

 

2017 RESULTS

 

STUDY INFORMATION

Planted Various | Harvested Various | Population 34,000 Seeds/A. | Row Width 30 in. | Previous Crop Soybeans | Tillage Fall: Disk-Rip, Spring: Field Cultivation | Herbicides Pre: 4 oz. Corvus®, 1 lb. Atrazine Post: 3 oz. Capreno®, 0.5 lb. Atrazine, 1 qt. Roundup PowerMAX® | Insecticides Escalate | Starter 10 gal. 28-0-0 2x2 | Total Nitrogen 190 Units as UAN | Brand 5939AMXT™* | Soil Type Crosby-Lewisburg (Silt Loam) | Soil Test Values pH 6.3, O.M. % 4, CEC 15.9 | Percent Base Saturation Ca 55.1, Mg 27.5, K 2.3, H 15.1 | Parts Per Million P 31, K 141, S 6, Zn 2.3, Mn 39, B 0.5

 

*®XL, Optimum, and AcreMax are registered trademarks of Pioneer. XL® brand seed is distributed by Beck’s Superior Hybrids, Inc.

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