The Ohio State University College of Food, Agricultural, and Environmental Sciences
C.O.R.N. Newsletter
OSU Extension
Ohio State ATI
July 19-25
Editor: Stephanie Karhoff, CCA

Soybean Progress and Pod Set Growth Stages

Author: Laura Lindsey

Currently, most soybean fields in Ohio are at the R3 growth stage, meaning there is a pod at least 3/16 inch long (but less than 3/4 inch long) at one of the four uppermost nodes on the main stem with a fully developed leaf.

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To Spray or Not to Spray…Foliar Products at R3

Authors: Laura Lindsey, Andy Michel, Horacio Lopez-Nicora

When should I spray a foliar fungicide?

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Ohio Farm Custom Rates 2022

Authors: Barry Ward, John Barker, Eric Richer, CCA

Farming is a complex business and many Ohio farmers utilize outside assistance for specific farm-related work. This option is appealing for tasks requiring specialized equipment or technical expertise.

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Scioto Watershed Whole Farm Conservation Event on August 16, 9:00am – 12:00pm

Author: Aaron Wilson


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Southwest Ohio Corn Growers & Fayette County Agronomy Field Day: Tuesday, August 16th, 2022

Author: Ken Ford

Fayette County will be the place to be on August 16th, 2022.

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Crop Water Use in Corn – What Do We Know?

Authors: Osler Ortez, Alexander Lindsey, Greg LaBarge, CPAg/CCA

When traveling across the state, many corn fields show well-developed tassels. Hopefully, closer field inspection also finds emerged silks that are needed to pollinate ovules on the developing ears (Figure 1).

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Lep Monitoring Update WBC Numbers on the Rise, Scouting Recommended

Authors: Bridger Cline, Amy Raudenbush, Suranga Basnagala , Kyle Akred, Jessi Raubenolt, Angela Arnold, Mark Badertscher, Frank Becker, Bruce Clevenger, CCA, Thomas deHaas, Nick Eckel, Allen Gahler, Kasey Goodchild, Don Hammersmith, Jason Hartschuh, CCA, Andrew Holden, Stephanie Karhoff, CCA, Ed Lentz, CCA, David Marrison, Clifton Martin, CCA, Jess McWatters, James Morris, Sarah Noggle, Richard Purdin, Eric Richer, CCA, Beth Scheckelhoff, Clint Schroeder, Mike Sunderman, Frank Thayer, Cindy Wallace, Curtis Young, CCA, Chris Zoller, Andy Michel, Kelley Tilmon

Western Bean Cutworm

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July 23
Using Annual Forages in your Pasture, Pasture Walk (Morrow)
July 26
Manure Science Review (Ohio)
July 27
Tri-State Precision Agriculture Conference
July 27
Agronomy 101 Field Day
August 4
Agriculture and Water Quality: How do TMDLs and Edge-of-Field Monitoring fit in?
About C.O.R.N. Newsletter

C.O.R.N. Newsletter is a summary of crop observations, related information, and appropriate recommendations for Ohio crop producers and industry. C.O.R.N. Newsletter is produced by the Ohio State University Extension Agronomy Team, state specialists at The Ohio State University and the Ohio Agricultural Research and Development Center (OARDC). C.O.R.N. Newsletter questions are directed to Extension and OARDC state specialists and associates at Ohio State.

Glen Arnold, CCA
Field Specialist, Manure Nutrient Management
Mark Badertscher
Educator, Agriculture and Natural Resources
John Barker
Educator, Agriculture and Natural Resources
Rachel Cochran, CCA
Water Quality Extension Associate, Defiance, Van Wert, Paulding Counties
Grant Davis, CCA
Extension Educator, Agriculture and Natural Resources
Taylor Dill
Educator, Agriculture and Natural Resources
Nick Eckel
Educator, Agriculture and Natural Resources
Amber Emmons
Water Quality Extension Associate
Ken Ford
Educator, Agriculture and Natural Resources
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Don Hammersmith
Program Assistant, Agriculture and Natural Resources
Jamie Hampton
Educator, Agriculture and Natural Resources
Andrew Holden
Educator, Agriculture and Natural Resources
Dean Kreager
Educator, Agriculture and Natural Resources
Courtney Krieger
Water Quality Extension Associate
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Alan Leininger
Educator, Agriculture and Natural Resources
Laura Lindsey
State Specialist, Soybean and Small Grains
Horacio Lopez-Nicora
State Specialist, Soybean Pathology
Ryan McMichael
Educator, Agriculture and Natural Resources
Jess McWatters
Andy Michel
State Specialist, Entomology
Tony Nye
Educator, Agriculture and Natural Resources
Osler Ortez
State Specialist, Corn & Emerging Crops
Pierce Paul
State Specialist, Corn and Wheat Diseases
Richard Purdin
Educator, Agriculture and Natural Resources
Beth Scheckelhoff
Educator, Agriculture and Natural Resources
Matthew Schmerge
Educator, Agriculture and Natural Resources
Clint Schroeder
Program Manager
Mark Sulc
State Specialist, Forage Production
Barry Ward
Program Leader
Curtis Young, CCA
Educator, Agriculture and Natural Resources

The information presented here, along with any trade names used, is supplied with the understanding that no discrimination is intended and no endorsement is made by Ohio State University Extension is implied. Although every attempt is made to produce information that is complete, timely, and accurate, the pesticide user bears responsibility of consulting the pesticide label and adhering to those directions.

CFAES provides research and related educational programs to clientele on a nondiscriminatory basis. For more information, visit For an accessible format of this publication, visit

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