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Agronomic Crops Network

Ohio State University Extension

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C.O.R.N. Newsletter

  1. Soybean Planting Date, Seeding Rate, and Row Width

    Author(s): Laura Lindsey

    Planting date.  Planting date (both too early and too late) can reduce soybean yield potential.  In 2013 and 2014, we conducted a planting date trial at the Western Agricultural Research Station near South Charleston, Ohio.  In both years, soybean yield decreased by 0.6 bu/ac per day when planting after mid-May.  (Note: Soil temperatures were >50°F at each planting date.)  The greatest benefit of planting May 1 to mid-May is canopy closure which increases light interception, improves weed control by shading out weeds, and helps retain soil moisture. 

    Issue: 2016-08

  2. What’s Limiting Soybean Yield?---Still Need Data From 185 Fields

    Author(s): Laura Lindsey

    I ran this article last week.  Thank you to all who filled out the survey!  Our goal is to document soybean management practices and yield from 270 soybean fields in Ohio during the 2014 and 2015 growing seasons.  Right now, we are 185 fields short of our goal, but we are continuing to collect data through the month of April. 

    To participate in this research, please see the online survey: https://www.surveymonkey.com/r/ohiosoybean

    Issue: 2016-06

  3. Temperatures are Still Cool

    Author(s): Anne Dorrance , Author(s): Pierce Paul

    These warm days have the engines warming for an early planting but the soil temperatures from around the state are highly variable and still on the cool side.  From the weather stations at the branches, these are the soil temperatures at 2.5 inches, from March 21:

    County

    Research Branch

    Temperature (F)

    Jackson

    Issue: 2016-06
  4. Soybean cyst nematodes

    Soybean Cyst Nematode CAN be Done in the Spring

    Author(s): Anne Dorrance

    These fluctuating temperatures that we have had this spring where we go from snow days to short days provides some opportunities to get the crews out and enjoy some nice weather.  Sampling for Soybean Cyst Nematode is fine to do in the spring, especially in years where the ground thaws early. 

    It is becoming increasingly important in Ohio to know your numbers.  Sounds like a cholesterol warning doesn’t it?  In the case of SCN, less than 500 eggs per cup of soil and keeping it under 1,000 is what we need to shoot for on some fields.  Non-detectable levels are like gold.

    Issue: 2016-06

  5. New to LibertyLink Soybean? - Here's your Primer

    Author(s): Mark Loux

    LibertyLink soybeans are finally starting to get the use in Ohio that they deserve.  Use of the LibertyLink system accomplishes several things - resolving current herbicide-resistant weed problems and reducing the emphasis on glyphosate use that continues to drive the development of resistant weed populations.  Our primary glyphosate weed problems in the state are still marestail, giant ragweed, and common ragweed.  Waterhemp problems are slowly increasing and Palmer amaranth is showing up here and there.  Glyphosate resistance in these species often occurs in conjunction with site 2 resist

    Issue: 2016-05
  6. Soybean

    What's Limiting Soybean Yield?

    Author(s): Laura Lindsey

    As I travelled the state this winter, the same question came up, “What’s limiting soybean yield?  No matter what I do, I get the same soybean yield every year.”

    Issue: 2016-05

  7. Keep the sugar for your coffee and your cookies

    Author(s): Laura Lindsey

    While we are interested in improving yield of Ohio crops, we also are reluctant to recommend practices that cost time and money and are not likely to be of assistance. From several on-farm trials conducted by OSU Extension professionals over the years, we see no value in applying sugar to our Ohio row crops.

    Issue: 2016-04

  8. 2016 Ohio Intensive Soybean Management Workshop

    Author(s): Tony Nye , Author(s): Rob Leeds

    Looking for ways to maximize soybean yield and profit?  Attend one of the 2016 Ohio Intensive Soybean Management Workshops offered by The Ohio State University Extension.  This workshop will be hands on and open to producers and agricultural professionals.  The workshop is occurring at three locations:

    1.       February 9, 2016:  Clinton County Extension Community Room, 111 S. Nelson Ave., Wilmington

    2.       February 24, 2016:  Evolution Ag, 13275 U.S. Rt. 42, Plain City

    Issue: 2016-02

  9. Workshop Registration for February 15th & 16th OARDC Field Crop Management Days

    Author(s): Pierce Paul

    Two Agronomy Workshops will be held February 15 and 16, 2016 at Selby Hall on the Ohio State University OARDC Wooster campus from 8:30 to 3:45.

    Field Crops Management 201 – a basic to general look at the topics
    Field Crops Management 401 – builds on day one to more advanced levels

    The program will include coffee and donuts at the registration - then lunch, breaks, handouts and recertification credits for Pesticide Education and CCA-CEUs.

    Issue: 2015-40

  10. Northwest Ohio Corn-Soybean Day set for January 22

    Author(s): Eric Richer, CCA

    The annual Northwest Ohio Corn-Soybean Day will be held on Friday, January 22 at Founders Hall on the campus of Sauder Village in Archbold, Ohio.  Registration will begin at 8:30 am with donuts and coffee available as you visit exhibitors. 

    Issue: 2015-40

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