CORN Newsletter



April 7 – April 13, 2020


Editor: Amanda Bennett


Big Temperature Swings Next Two Weeks

Author: Jim Noel

April Temperatures Temperatures will be on a big roller coaster the next two weeks with highs ranging from the 40s to 70s and lows for the mid 20s to 50s. The tendency will be to switch from above normal the first half of this week to slightly below normal later this week and on.

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Seedcorn Maggot A Possibility In Some Fields This Spring

Author: Curtis Young, CCA

Many livestock operations did not have much opportunity to spread manure this winter and into the spring.  Thus many may have pits and lagoons near full capacity and a great need to move that manure to fields as soon as possible.  As spring progresses, manure spreading and planting may occur in a

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Spring Farm Safety Reminders

Authors: Wayne Dellinger, Dee Jepsen

Spring of 2019 brought never-before seen planting conditions for our generation.  With a similar weather pattern predicted for spring 2020, the window to get crops in the field may be short again this season.  With shorter windows brings a sense of hurriedness, stress, and fatigue.  These may all

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Establishing New Forage Stands

Author: Mark Sulc

Early spring provides one of the two preferred times to seed perennial cool-season forages, the other being late summer. Two primary difficulties with spring plantings are finding a good window of opportunity when soils are dry enough.

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Get Ready to plant

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

The weather outlook for our spring planting season is not encouraging, as it is expected to be wetter than normal again, although hopefully not as bad as 2019.

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CFAES Ag Weather System Near-Surface Air and Soil Temperatures/Moisture

Authors: Aaron Wilson, Greg LaBarge, CPAg/CCA, Elizabeth Hawkins, Sam Custer

We are once again providing a soil temperature overview in the C.O.R.N. Newsletter through April-May 2020.

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On Farm Biosecurity to Keep Us and Employees Safe

Authors: Jason Hartschuh, CCA, Dr. Gustavo Schuenemann

Agriculture is no stranger to contagious disease. Drawing on sanitation experiences from outbreaks, such as avian and swine influenza or the 2001 outbreak of foot and mouth disease in the United Kingdom in 2001, can help us through the current pandemic.

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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


Jordan Beck
Extension Associate


Lee Beers, CCA
Trumbull County


Ben Brown
Farm Management Program Mgr, Program Manager


Ann Chanon
Lorain County


Bruce Clevenger, CCA
Defiance County


Rachel Cochran
Extension Associate


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


Boden Fisher
Extension Associate


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


Dean Kreager
Licking 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


James Morris
Brown 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


Matthew Romanko
Extension Associate


Mary Ann Rose
Program Director, Pesticide Safety Education


Beth Scheckelhoff
Putnam County


Clint Schroeder
Allen County


Jeff Stachler
Auglaize County


Mark Sulc
State Specialist, Forage Production


Kelley Tilmon
State Specialist, Field Crop Entomology


Barry Ward
Program Leader


Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems


Aaron Wilson
Byrd Polar & Climate Research Center


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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