The Ohio State University College of Food, Agricultural, and Environmental Sciences
C.O.R.N. Newsletter
OSU Extension
Ohio State ATI
February 21, 2017-March 6, 2017
Editor: Jason Hartschuh, CCA

Steps to keep Palmer amaranth out of your operation

Author: Mark Loux

As of the end of 2016, Palmer amaranth had been found in 18 Ohio counties, and the majority of it is resistant to both glyphosate and ALS-inhibiting herbicides (site 2) based on OSU greenhouse screening.  Not all of these “finds” represent problem infestations, and in some cases the potential for

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Xtend soybean/dicamba information

Author: Mark Loux

The latest blog post on the OSU weed management website,, has information on XtendiMax and Engenia.  This includes primary labels and soybean supplemental labels for both products, along with an ODA fact sheet summarizing key aspects and

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Don’t Get in a Hurry to Apply Nitrogen to Wheat

Authors: Ed Lentz, CCA, Laura Lindsey

Normally we would be concerned about producers applying nitrogen to wheat on frozen ground this time of year. The recent wave of abnormally warm temperatures has removed any frost that was in the ground and suggests that green-up may come sooner than recent years.

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2017 On-Farm Fertilizer Trials for Corn, Soybean, and Wheat

Authors: Steve Culman, Greg LaBarge, CPAg/CCA, Harold Watters, CPAg/CCA, Ed Lentz, CCA, Anthony Fulford

Ohio State is looking for farmer cooperators and crop consultants to help conduct on-farm field trials for the 2017 field season. The 2017 field season will likely be our last year of field trials before Ohio fertilizer recommendations are updated and/or revised.

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What’s Limiting Soybean Yield in Ohio?

Author: Laura Lindsey

2013, 2014, and 2015, with funding from Ohio Soybean Council and help from county extension educators, we measured soybean yield limiting factors on 199 farms across the state.

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Last Chance to Register for PlanterU: Be Prepared for Spring Planting

Author: John Fulton

Planting remains a crucial field operation establishing maximum yield potential.  Mistakes or poor planter performance can reduce yield potential.  Variables such as seed spacing, seeding depth and optimizing seedbed preparation for proper soil-to-seed contact are important to achieving potential

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March 7
Conservation Tillage and Technology Conference
March 15
2017 Northeast Ohio Winter Agronomy School
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
Lee Beers, CCA
Educator, Agriculture and Natural Resources
Steve Culman
State Specialist, Soil Fertility
Wayne Dellinger, CCA
Educator, Agriculture and Natural Resources
Anne Dorrance
State Specialist, Soybean Diseases
Mike Estadt
Educator, Agriculture and Natural Resources
Jason Hartschuh, CCA
Field Specialist, Dairy & Precision Livestock
Elizabeth Hawkins
Field Specialist, Agronomic Systems
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Ed Lentz, CCA
Educator, Agriculture and Natural Resources
Mark Loux
State Specialist, Weed Science
Pierce Paul
State Specialist, Corn and Wheat Diseases
Ted Wiseman
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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