Closing Wheel Study

2017 Indiana Corn Closing Wheel Study

  • Indiana

The purpose of this study is to determine what effect different closing wheel types have on plant emergence and yield. Unfavorable planting conditions were targeted in this study 

OBSERVATION

Conditions at planting were dry and emergence and Net Effective Plant Stand (NEPS) counts were very similar across treatments. This left us with little reason to expect any differences at harvest. To our surprise, we observed significant d ifferences between closing wheel types, with every option showing increased yield when compared to the control of two solid rubber wheels. 

 

2017 CONVENTIONAL-TILL YIELD ADVANTAGE

 

2-YEAR NO-TILL YIELD ADVANTAGE

 

2017 RESULTS

 

STUDY INFORMATION

Planted 5/18/2017 | Harvested 10/2/2017 | Population 34,000 Seeds/A. | Row Width 30 in. | Previous Crop Soybeans | Tillage Fall: Disk-Rip, Spring: Field Cultivation | Herbicides Post: 1 qt. Atrazine, 3 oz. Capreno® | Insecticides Escalate | Starter 10 gal. 28-0-0 2x2 | Total Nitrogen 190 Units as UAN | Brand 5829A4 | Soil Type Crosby (Silt Loam) | Soil Test Values pH 6.4, O.M. % 2.5, CEC 11.9 | Percent Base Saturation Ca 69.5, Mg 15.8, K 4.6, H 10.1 | Parts Per Million P 72, K 212, S 6, Zn 2.4, Mn 33, B 0.4 

 

PRODUCTS TESTED

Solid Rubbers, Yetter Poly Spikes, Copperhead Ag Furrow Cruiser®, Schaffert Zipper, Martin Spades with Drag Chain, SI Distributing Finger-Till

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