The Ohio State University College of Food, Agricultural, and Environmental Sciences
C.O.R.N. Newsletter
OSU Extension
Ohio State ATI
March 25 - April 7, 2014

Sharpen Label Changes – It’s Something Anyway

Author: Mark Loux

A recent change to the Sharpen label results in more utility for this product in spring burndown programs for soybeans.  Sharpen can now be applied in a mixture with other PPO-containing herbicides, as long as the following conditions are met:  applied at least 14 days before soybean planting; so

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New Developments in the World of Soybean Pathology

Author: Anne Dorrance

At the regional soybean disease workers meeting in Florida earlier this month, colleagues from Kentucky and Indiana both reported the presence of the fungus,Cercospora sojina, that are resistant to the strobilurin fungicides.  This fungus causes frogeye leaf spot on soybean.  There are l

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Nitrogen Recommendations for Wheat

Authors: Ed Lentz, CCA, Laura Lindsey

Soon wheat will be greening-up across the state. Ohio State University recommends applying nitrogen between green-up and Feekes Growth Stage 6 (early stem elongation), which is generally the latter part of April.

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Pelletized Lime in Production Systems

Author: Ed Lentz, CCA

Pelletized lime has been on the market for over ten years in Ohio. It consists of finely ground limestone held together by some form of binding agent to make a pellet. Since it requires more processing than traditional ag lime it often costs considerably more than bulk ag lime.

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Weather Outlook


For the remainder of March temperatures may range 5-10 degrees below normal with about normal rainfall. The outlook for the first week of April calls for temperatures a few degrees above normal and normal rainfall.

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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
Bruce Clevenger, CCA
Field Specialist, Farm Management
Sam Custer
Educator, Agriculture and Natural Resources
Nathan Douridas, CCA
Farm Science Review Farm Manager
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Ron Hammond
Extension Specialist
Jason Hartschuh, CCA
Field Specialist, Dairy & Precision Livestock
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Sarah Noggle
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Pierce Paul
State Specialist, Corn and Wheat Diseases
Eric Richer, CCA
Field Specialist, Farm Management

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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