C.O.R.N. Newsletter : 2020-20

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. Author(s): Jim Noel

    After a cool spring, we are playing catch up fast with a warm June. June will end up being 1-3 degrees above normal with rainfall 50-100% of normal. The warm weather will continue for the rest of the summer. Maximum temperatures will likely be 1-3 degrees above normal in July. However, overnight temperatures will be even warmer, some 3-6 degrees above normal. Expect high temperatures in July to commonly be in the 85-95 range with overnight temperatures in the 65-75 degree range. 

  2. Author(s): Laura Lindsey

    As small grains are harvested across the state, here are some management considerations for double-crop soybean production:

  3. Author(s): Rachel Cochran, Brigitte Moneymaker, Jordan Beck, Nick Eckel, Matthew Romanko, Boden Fisher

    Our Goal

    Our goal is to engage farmers and their trusted advisors in new production strategies, technologies, and best management practices to improve fertilizer use efficiency and farm profitability while promoting soil health and reducing nutrient and sediment losses within the western Lake Erie basin.

    Through education, outreach, and demonstrations highlighting the benefits of practices we hope to encourage widespread practice adoption and sustained practice implementation.

    What We Need Help With

  4. Author(s): Amy Raudenbush, Mark Badertscher, Frank Becker, Lee Beers, CCA, Bruce Clevenger, CCA, Sam Custer, Tom Dehaas, Jason Hartschuh, CCA, Andrew Holden, Stephanie Karhoff, Ed Lentz, CCA, Rory Lewandowski, CCA, Cecilia Lokai-Minnich, David Marrison, Eric Richer, CCA, Garth Ruff, Beth Scheckelhoff, Clint Schroeder, Jeff Stachler, Mike Sunderman, Curtis Young, CCA, Chris Zoller, Andy Michel, Kelley Tilmon, Craig Everett

    Monitoring for the Western bean cutworm (WBC) began the week of June 22nd across Ohio. Currently, WBC adult numbers are low in all monitoring counties. Trap counts for the week of June 22 – 28 resulted in a total of 17 WBC adults (0.23 average moths per trap) (Figure 1). Overall, 24 counties monitored 74 traps across Ohio. No counties reported capturing more than 1 moth / day over the 7-day monitoring period; therefore, all counties currently remain below the recommended levels that indicate scouting for egg masses should begin. 

  5. Author(s): Mark Loux

    OSU weed scientists and ag engineers are looking for soybean fields that have populations of waterhemp or Palmer amaranth surviving into July and August (after all control with herbicides has been attempted).  We have a project involving the use of a drone to identify these weeds in mid to late season when they are evident above the soybean canopy.  We need fields with more than just a few surviving plants.  Populations consisting of a few good patches up though a disaster are fine.  Contact Mark Loux – loux.1@

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