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Agronomic Crops Network

Ohio State University Extension

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C.O.R.N. Newsletter: 2014-35

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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. Does Black Layer Form When Corn Is Frosted?

    Author(s): Peter Thomison

    Black layer is the stage in corn development at which kernel growth ceases and maximum kernel dry weight is achieved (also referred to as “physiological maturity”).  A killing

  2. Soybean Pod Shattering

    Figure A & B. Soybean pods curling after shattering and Soybean harvest losses in 2012 after shatter
    Author(s): Laura Lindsey

    Soybean pod shattering is not completely understood.  Through breeding efforts (beginning approximately 5,000 years ago when soybean was first thought to be domesticated),

  3. Frosted Forage Precautions

    Author(s): Mark Sulc

    Jack Frost will be visiting us soon.  Several forage species can be extremely toxic soon after a frost because they contain compounds called cyanogenic glucosides that are converted

  4. Prussic Acid Testing in Forages

    Author(s): Mark Sulc

    Some forage species can develop prussic acid poisoning potential when harmed by frost and management practices should be followed to prevent poisoning of livestock (see accompanying

  5. Five Things to Know about Fall Herbicide Treatments

    Author(s): Mark Loux

    There is plenty of information on fall herbicide treatments in the C.O.R.N. newsletter archive and on other university websites.  Our philosophy on this has not changed much over the

  6. Ohio Weather Outlook

    Author(s):

    The pattern discussed last week will continue this week.  Expect an active weather pattern as a storm system crosses Ohio Tuesday with lingering light showers Wednesday and Thursday keeping field work at

  7. 2nd Edition Cover Crops Guide Released - Options To Explore Valuable Cover Crops Information

    Author(s): Sarah Noggle

    Farmers interested in planting cover crops to improve soil health now have two resources available to utilize.  The two items are an expanded and updated second edition of the

  8. Soil Testing and Nutrient Application Practices of Ohio Agronomy Retailers

    Author(s): Greg LaBarge, CPAg/CCA

    A survey of agricultural retailers was undertaken to provide a benchmark of current practice adoption of soil sampling, type of spatial sampling, placement and