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
April 21 - April 27, 2020
Editor: Amanda Bennett

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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How cold is too cold (for winter wheat)?

Authors: Laura Lindsey, Alexander Lindsey, Aaron Wilson

Overnight temperatures on April 15 and April 16, 2020 dropped into the low to mid 20s across a large portion of Ohio (Figure 1), and unofficial reports show a few locations briefly dropped into the upper teens! These temperatures were generally 12-20°F below average (1981-2010).

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Freeze Potential in Ohio

Authors: Aaron Wilson, James Jasinski

Note: This article has been modified from an article originally published in VegNet Newsletter (https://u.osu.edu/vegnetnews/) on April 6, 2020.

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Alfalfa Weevil Update

Authors: Kelley Tilmon, Aaron Wilson, Mark Sulc, , Andy Michel

Last week we reported that peak alfalfa weevil feeding damage occurs between 325 and 575 heat units (based on accumulation of heat units from January 1 with a base of 48°F).  The cool temperatures over the past seven days have slowed the accumulation of heat units and thus weevil development, tho

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Slight Frost Injury on Forages

Author: Mark Sulc

I have observed and received reports of only very slight frost burn on the tips of leaves of alfalfa and winter annual forage crops after the two cold nights last week in Ohio.

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Worried about Fallow Syndrome? Assess the Risk with On-Farm Research

Authors: Stephanie Karhoff, CCA, Steve Culman, Elizabeth Hawkins

Wet weather conditions last spring prevented Ohio farmers from planting over 1.5 million acres.

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Cool weather to hang on for the rest of April

Author: Jim Noel

 

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Time to stock up on nozzles is now! But, do you know which ones to buy?

Author: Erdal Ozkan

This is the time of the year you must complete shopping for nozzles because the spraying season is just around the corner. Although nozzles are some of the least expensive components of a sprayer, they hold a high value in their ability to influence sprayer performance.

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Managing stored grain into summer

Authors: Jason Hartschuh, CCA, Elizabeth Hawkins

If you are storing more grain on farm this spring than usual, you are not alone. Over the last few weeks, we have heard from more producers who are considering holding grain longer into summer months than they normal would.

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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
Educator, Agriculture and Natural Resources
Lee Beers, CCA
Educator, Agriculture and Natural Resources
Ben Brown
Farm Management Program Mgr, Program Manager
Rachel Cochran, CCA
Water Quality Extension Associate, Defiance, Van Wert, Paulding Counties
Trevor Corboy
Educator, Agriculture and Natural Resources
Steve Culman
State Specialist, Soil Fertility
Sam Custer
Educator, Agriculture and Natural Resources
Wayne Dellinger, CCA
Educator, Agriculture and Natural Resources
Anne Dorrance
State Specialist, Soybean Diseases
Amanda Douridas, CCA
Educator, Agriculture and Natural Resources
Mike Estadt
Educator, Agriculture and Natural Resources
Ken Ford
Educator, Agriculture and Natural Resources
Allen Gahler
Educator, Agriculture and Natural Resources
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Jason Hartschuh, CCA
Field Specialist, Dairy & Precision Livestock
Elizabeth Hawkins
Field Specialist, Agronomic Systems
Andrew Holden
Resigned Educator, Agriculture and Natural Resources
Dean Kreager
Educator, Agriculture and Natural Resources
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Alan Leininger
Educator, Agriculture and Natural Resources
Ed Lentz, CCA
Educator, Agriculture and Natural Resources
Mark Loux
State Specialist, Weed Science
David Marrison
Educator, Agriculture and Natural Resources
Clifton Martin, CCA
Educator, Agriculture and Natural Resources
Andy Michel
State Specialist, Entomology
James Morris
Educator, Agriculture and Natural Resources
Gigi Neal
Educator, Agriculture and Natural Resources
Jim Noel
National Weather Service
Sarah Noggle
Educator, Agriculture and Natural Resources
Tony Nye
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Erdal Ozkan
State Specialist, Sprayer Technology
Eric Richer, CCA
Field Specialist, Farm Management
Matthew Romanko
Water Quality Extension Associate
Garth Ruff
Educator, Agriculture and Natural Resources
Beth Scheckelhoff
Educator, Agriculture and Natural Resources
Clint Schroeder
Program Manager
Mark Sulc
Retired State Specialist, Forage Production
Barry Ward
Program Leader
Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems
Aaron Wilson
Byrd Polar & Climate Research Center
Curtis Young, CCA
Educator, Agriculture and Natural Resources
Chris Zoller
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 cfaesdiversity.osu.edu. For an accessible format of this publication, visit cfaes.osu.edu/accessibility.

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