CORN Newsletter – March 31


March 31-April 6, 2020


Editor: Eric Richer, CCA


Join Us for Ag Madness!

Author: Sam Custer

Did your conference get canceled? Looking to fill the void of the big basketball tournament? OSU Extension Agricultural and Natural Resources Educators are here to assist.

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Challenging Conditions Remain into April

Author: Jim Noel

Temperatures and Rainfall: Temperatures will start the first 7 days of April 1-3 degrees F above normal. Rainfall will start April below normal about half of normal. That is some good news  as the end of March (as forecast) was very wet.

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H2Ohio Signup Deadline Returned to Tuesday, March 31st

Author: Glen Arnold, CCA

Due to the COVID-19 and expected resulting budget issues, the Ohio Department of Agriculture has reinstated the original Tuesday, March 31st deadline for H2Ohio sign-up.

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Nitrogen Rate Recommendations for Wheat 2020

Authors: Ed Lentz, CCA, Laura Lindsey, Steve Culman

Wheat has already reached green-up across the state so spring N may be applied anytime fields are fit. Keep in mind that research has shown N can be applied up to Feekes GS 6 (one visible node) without a reduction in yield.

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Broadcasting Red Clover into Wheat

Authors: Rory Lewandowski, CCA, Jason Hartschuh, CCA, Mark Sulc

Looking at both the calendar and weather forecasts, frost-seeding is no longer a viable option to add red clover into a wheat stand.

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Poison Hemlock Control

Authors: Mark Loux, Curtis Young, CCA

Poison hemlock remains one of the more persistent and prevalent poisonous weeds that we deal with in Ohio.  It’s most typically a biennial plant (sometimes perennial), emerging from seed in year one and developing into a low-growing rosette by late fall.  The rosette overwinters and then resumes

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Black Cutworm and Its Allies

Author: Curtis Young, CCA

Cutworms are the larval stage of several moths in the insect Order Lepidoptera: Family Noctuidae (the Owlet Moths) which includes cutworms and armyworms.

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Toxicity of Pesticides

Author: Amanda Douridas

Toxicity of pesticides is important for farmers to understand because it can affect your health and safety. It also helps when addressing questions that come from consumers about why you use pesticides and how toxicity compares to products they use every day.

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I missed Private Pesticide Applicator and Fertilizer Re-Certification…

Author: Eric Richer, CCA

Many local Extension office have received farmer calls lately asking how the COVID-19 emergency will affect pesticide recertification.

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Why Ohio Farmers Should Participate in the CTIC Cover Crops Survey

Author: Sarah Noggle

After taking a break from surveying in the last two years, the Conservation Technology Information Center (CTIC) is now once again sending out a national cover crop survey to farmers.  The survey questions are primarily geared toward grain farmers.

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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
Hardin County


John Barker
Knox County


Lee Beers, CCA
Trumbull County


Amanda Bennett
Miami County


Ann Chanon
Lorain County


Bruce Clevenger, CCA
Defiance County


Trevor Corboy
Greene County


Sam Custer
Darke County


Wayne Dellinger
Union County


Anne Dorrance
State Specialist, Soybean Diseases


Amanda Douridas
Champaign County


Mike Estadt
Pickaway County


Ken Ford
Fayette County


Allen Gahler
Sandusky County


Mike Gastier, CCA
Huron County


Mary Griffith
Madison County


Will Hamman
Pike County


Jason Hartschuh, CCA
Crawford County


Elizabeth Hawkins
Field Specialist, Agronomic Systems


Andrew Holden
Ashtabula County


Stephanie Karhoff
Williams County


Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems


Ed Lentz, CCA
Hancock County


Rory Lewandowski, CCA
Wayne County


Mark Loux
State Specialist, Weed Science


David Marrison


Clifton Martin, CCA
Muskingum County


Gigi Neal
Clermont County


Jim Noel
National Weather Service


Sarah Noggle
Paulding County


Tony Nye
Clinton County


Les Ober, CCA
Geauga County


Eric Richer, CCA
Fulton County


Dennis Riethman
Mercer County


Garth Ruff
Henry County


Beth Scheckelhoff
Putnam County


Clint Schroeder
Allen County


Jeff Stachler
Auglaize County


Mark Sulc
State Specialist, Forage Production


Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems


Ted Wiseman
Perry County


Curtis Young, CCA
Van Wert County


Chris Zoller
Tuscarawas County


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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