The Ohio State University College of Food, Agricultural, and Environmental Sciences
COLLEGE OF FOOD, AGRICULTURAL, AND ENVIRONMENTAL SCIENCES
C.O.R.N. Newsletter
CFAES
OARDC
OSU Extension
Ohio State ATI
June 23 - June 29, 2025
Editor: Sarah Noggle

Battle for the Belt: Season 3, Episode 13 – Corn & Soybean Stand Counts

Authors: Taylor Dill, Diego Miranda, Maria Kessler, Laura Lindsey, Osler Ortez

In Episode 13, we joined graduate students Diego Miranda, Taylor Dill, and Maria Kessler in the field for a demonstration on corn and soybean stand counts.

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Beating the Heat on Farms

Authors: Wayne Dellinger, CCA, Aaron Wilson

As we move toward late June, OSU Extension State Climatologist, Aaron Wilson has expressed concern for both human and livestock welfare as we continue in our first heat wave of the season.
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Harvest Strategies to Avoid Wheat Quality Losses

Authors: Stephanie Karhoff, CCA, Pierce Paul

Fusarium head blight (FHB) or head scab has been reported in western Ohio. As we approach wheat harvest, there are strategies to reduce the effect of FHB and DON (or vomitoxin) contamination on grain quality.

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Potato Leafhopper is Arriving in Alfalfa

Authors: Kyle Verhoff, Curtis Young, CCA, Jason Hartschuh, CCA

This Spring has presented plenty of challenges, and another is coming in from the south. Potato leafhoppers (PLH) are being carried into Ohio fields on southern winds and can quickly become a concern.
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Putting Poison Hemlock into Perspective (Again)

Authors: Mark Loux, Stephanie Karhoff, CCA

Poison hemlock is in full bloom across the state and continues to make the news, unfortunately. Poison hemlock is in the Apiaceae or parsley plant family, which also includes wild carrot (Queen Anne’s lace), wild parsnip, cow parsnip, and giant hogweed.
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Consider the Cool Pattern Shook – Heatwave Ongoing

Author: Aaron Wilson

Climate Summary 
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Double Crop Soybean (or Late-Planted Soybean) Considerations for 2025

Authors: Laura Lindsey, Eric Richer, CCA

As wheat harvest begins in Ohio, farmers may be considering double crop soybean. In other areas of the state, soybean planting is still underway due to wet spring weather.
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Sulfur Management Reminders for Corn Production

Authors: Osler Ortez, Emma Matcham, Manbir Rakkar

Sulfur (S) is an essential nutrient for crop growth and development, including a role in amino acid formation, potentially improving the quality of grain and forage in animal feed.
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Application of Manure to Double-Crop Soybeans to Encourage Emergence

Author: Glen Arnold, CCA

The summer manure application window following wheat harvest is typically the 2nd largest application window each year.
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Research Using a Wind Tunnel Helps Soybean Growers Select the Best Nozzles

Author: Erdal Ozkan
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Top 10 Tips for Better Spraying

Author: Erdal Ozkan

Applying pesticides requires a high level of skill and knowledge. Over the years, the increasing size and complexity of sprayers have necessitated even more attention to efficiency, efficacy, and safety when spraying pesticides.
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Lep Monitoring Network – Corn Earworm and Western Bean Cutworm # 9

Authors: Evan Hodkinson, Trevor Mullen, Rosalind Holt-Frank, Amy Raudenbush, Nic Baumer, Lee Beers, CCA, JD Bethel, Trevor Corboy, Mary Jo Hassen, Seth Kannberg, Alan Leininger, Ed Lentz, CCA, Clifton Martin, CCA, Garth McDorman, Jordan Penrose, Beth Scheckelhoff, Mike Sunderman, Kyle Verhoff, Jacob Winters, Curtis Young, CCA, Andy Michel, Kelley Tilmon

This is our 9th week of monitoring moth pests in Ohio, and we are in our third week of monitoring Corn Earworm (CEW) and Western Bean Cutworm (WBC).
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Statewide Slug Monitoring Project – Update # 6

Authors: Evan Hodkinson, Trevor Mullen, Rosalind Holt-Frank, Amy Raudenbush, John Barker, Nic Baumer, Amanda Barnum, Amanda Bennett, Ken Ford, Seth Kannberg, Dean Kreager, Alan Leininger, Clifton Martin, CCA, Kendra Rose, Jocelyn Ruble, Clint Schroeder, Ryan Slaughter, Jacob Winters, Tracy Winters, Ted Wiseman, Kelley Tilmon

Our sixth slug update covers monitoring from June 16th to June 22nd. During this time, we had 12 counties monitoring a total of 96 shingle traps.
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Weed Science Field Day Coming Soon!

Author: Betsy Cunningham

The 2025 Ohio State Weed Science Field Day will be held on Wednesday, July 9th, at the Western Ag Research Station in South Charleston, OH. Registration will start at 8:30 am, with opening remarks and introductions at 9:00 am.
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Grain Handling Systems Open House

Author: Amanda Douridas, CCA

You are invited to the Molly Caren Ag Center Grain Facility for an open house to learn more about grain handling systems and safety. Technology and design will be on display July 24, 2025, from 11:00 AM – 2:00 PM.
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June 26
Morrow County Agronomy Field Day
July 30
2025 North American Manure Expo
August 12
Southwest Ohio Corn Growers Agronomy Day
August 20
Ditch the Runoff Field Day
August 26
Northwest Agronomic Field Day
August 28
Corn Field Night
September 9
FSR Agronomy College
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
Savannah Ballweg
Educator, Agriculture and Natural Resources
Justin Baum
Educator, Agriculture and Natural Resources
Nic Baumer
Educator, Agriculture and Natural Resources
Lee Beers, CCA
Educator, Agriculture and Natural Resources
Caden Buschur
Educator, Agriculture and Natural Resources
Bruce Clevenger, CCA
Field Specialist, Farm Management
Trevor Corboy
Educator, Agriculture and Natural Resources
Wayne Dellinger, CCA
Educator, Agriculture and Natural Resources
Ken Ford
Educator, Agriculture and Natural Resources
Don Hammersmith
Program Assistant, Agriculture and Natural Resources
Elizabeth Hawkins
Field Specialist, Agronomic Systems
Seth Kannberg
Educator, Agriculture and Natural Resources
Stephanie Karhoff, CCA
Field Specialist, Agronomic Systems
Dean Kreager
Educator, Agriculture and Natural Resources
Eugene Law, PhD
Assistant Professor
Rob Leeds
Educator, Agriculture and Natural Resources
Laura Lindsey
State Specialist, Soybean and Small Grains
Garth McDorman
Educator, Agriculture and Natural Resources
Ryan McMichael
Educator, Agriculture and Natural Resources
Gigi Neal
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Amanda Perkins
Educator, Agriculture and Natural Resources
Rylee Kay Puthoff
Educator, Agriculture and Natural Resources
Manbir Rakkar
Soil Fertility, State Extension Specialist
Eric Richer, CCA
Field Specialist, Farm Management
Clint Schroeder
Program Manager
Ambria Small
Extension Educator, ANR
Barry Ward
Program Leader
T.J. Wells
Educator, Agriculture and Natural Resources
Aaron Wilson
Field Specialist, Ag Weather & Climate State Climatologist of Ohio
Jacob Winters
Educator, Agriculture and Natural Resources
Kayla Wyse
Educator, Agriculture and Natural Resources
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 an accessible format of this publication, visit cfaes.osu.edu/accessibility.
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