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Agronomic Crops Network

Ohio State University Extension

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C.O.R.N. Newsletter: 2018-23

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Crop Observation and Recommendation Network

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.

  1. No Pigweed Left Behind - Late-Season Scouting for Palmer Amaranth and Waterhemp

    Seed heads of Palmer amaranth and waterhemp
    Author(s): Mark Loux

    If you don’t already have to deal with waterhemp or Palmer amaranth, you don’t want it.  Ask anyone who does.  Neither one of these weeds is easy to manage, and both can cause

  2. What is the R3 Growth Stage?

    R3 Stage Soybean
    Author(s): Laura Lindsey

    A few weeks ago, Dr. Anne Dorrance wrote an article about foliar fungicide application to soybean for control of frogeye leaf spot disease. She recommended spraying at the R3

  3. Japanese Beetles in Corn and Soybean

    Author(s): Kelley Tilmon, Andy Michel

    We have been hearing reports of Japanese beetles in corn and soybean.  These beetles are

  4. Western Bean Cutworm: Adult Moth Catches Increase (Scouting Video Included)

    Western bean cutworm adult
    Author(s): Amy Raudenbush, , Mark Badertscher,

  5. Cover Crop Survey - Quick and Painless

    cereal rye cover crop
    Author(s): Mark Loux

    OSU weed scientists are in the process of planning cover crop research, and could use your input. Cover crop use has been on the rise in recent years, most commonly for the preservation

  6. Manure Management and Cover Crops Field Day

    Author(s):

    Want to learn more about sidedressing corn with liquid manure, latest on water quality, and how to make cover crops work?  Attend the Manure Management and Cover Crops Field Day in Auglaize County.  The