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
September 29-October 5, 2015
Editor: Eric Richer, CCA

Tar Spot: a New Corn Disease in the Midwest

Author: Pierce Paul

A few weeks ago, Tar Spot, a new disease of corn caused by the fungus Phyllachora maydis was reported for the first time in the US, first in Indiana and then in Illinois. It was later found as far east as Allen County, IN, bordering Paulding County in northwest Ohio.
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Dry Weather Makes Field Fires a Safety Concern for Farmers

Author: Dee Jepsen

This season, farmers are at high risk of having a field fire during corn harvest.
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Application of Manure to Newly Planted Wheat Fields

Author: Glen Arnold, CCA

Several livestock producers have inquired about applying liquid dairy or swine manure to newly planted wheat fields using a drag hose.
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Liming Considerations

Authors: Ed Lentz, CCA, Steve Culman

Fall is an excellent time to test soil pH and determine whether any lime needs to be applied for future crops. Proper soil pH is important for nutrient availability, herbicide activity, and crop development. For most soils, additional lime is not needed every year.
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Revising Fertilizer Recommendations for Corn, Soybean, and Wheat

Author: Steve Culman

Ohio State is in the process of updating the Tri-State Recommendations, looking specifically at N, P and K in corn, soybean and wheat. This is a major undertaking that will require a collective effort from numerous extension personnel, crop consultants and farmer cooperators.
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Brown Marmorated Stink Bugs on the Move into Homes and Buildings

Author: Andy Michel

The brown marmorated stink bug continued its presence in Ohio field crops this year.  Although the incidence and damage has been less than in previous years, we have found brown marmorated stink bugs in soybean which suggest that the bug is here to stay.
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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
Anne Dorrance
State Specialist, Soybean Diseases
Amanda Douridas, CCA
Educator, Agriculture and Natural Resources
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Mark Loux
Retired State Specialist, Weed Science
Sarah Noggle
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems
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 an accessible format of this publication, visit cfaes.osu.edu/accessibility.
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