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  1. C.O.R.N. Newsletter 2005-40

    https://agcrops.osu.edu/newsletters/2005/40

    Don’t Forget About Performance Trait Decisions in Corn – Part II: Insect Resistance Trait Decisions in ... positive that the yield difference was due to the treatment you applied. Replication allows us to estimate ... Thinking about our initial experiment where the field was split in two. There was an underlying difference ...

  2. C.O.R.N. Newsletter 2011-11

    https://agcrops.osu.edu/newsletters/2011/11

    required heat units from planting to kernel black layer which average about 6.8 growing degree days (GDDs) ... Extension publication available online at: http://www.agry.purdue.edu/ext/pubs/AY-312-W.pdf. Nielsen, R.L. ... Extension Publication AY-312-W. [On-line]. Available at http://www.agry.purdue.edu/ext/pubs/AY-312-W.pdf ...

  3. A Wet Start to April is Expected

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-07/wet-start-april-expected

    April looks to go down as slightly warmer than normal and much wetter than normal except about ...

  4. C.O.R.N. Newsletter 2010-17

    https://agcrops.osu.edu/newsletters/2010/17

    delayed planting, and also slow crop development in some areas.  A few things to think about relative to ... about adding any herbicides with contact activity on foliage (metribuzin, Valor, Authority) in ... Brown spot is truly a minor disease. The first find of Soybean rust in the US was on June 10 th in Texas ...

  5. C.O.R.N. Newsletter 2009-27

    https://agcrops.osu.edu/newsletters/2009/27

    find. Contact your county Extension Educator or us directly. Potassium Stress Being Noted Across the ... are these fields showing this deficiency? Let us first discuss what potassium deficiency looks like. ... wheat plant height at the NW Branch is typically about 80 percent of the height at Wooster. We chose the ...

  6. C.O.R.N. Newsletter 2004-12

    https://agcrops.osu.edu/newsletters/2004/12

    $3.00 investment would return us about $20.00 worth of yield. Because most producers will get higher ... disease free; we generally do not worry about the lower leaves. At Feekes growth stage 6 and 7 there are ... PropiMax or 14 fl oz/A of Quilt. Applications at these rates will provide about 3 weeks of disease control ...

  7. Some Tips for Evaluating Corn Hybrid Demonstration Plots

    https://agcrops.osu.edu/newsletter/corn-newsletter/some-tips-evaluating-corn-hybrid-demonstration-plots

    Begin checking plants about 6 weeks after pollination (at about black layer) by pinching lower stalk ... may not indicate much about actual yield potential. This year we’ve seen differences in tip kernel ...

  8. Fertilizer Applicator Certification Training Field Day

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-25/fertilizer-applicator-certification-training-field-day

    For more information about other training sessions or general materials for the agriculture fertilizer ...

  9. C.O.R.N. Newsletter 2010-24

    https://agcrops.osu.edu/newsletters/2010/24

    in the future. Gibberella Ear Rot in Corn: Post Pollination Update About a month ago, before the corn ... crop reached pollination, we responded to questions about the risk of Gibberella ear rot (GER), after ... turn down at maturity. Let us compare last season with this season to see where we stand in term of ...

  10. C.O.R.N. Newsletter 2012-17

    https://agcrops.osu.edu/newsletters/2012/17

    from about V5 (the five leaf collar stage) to V10 or slightly beyond. Ear formation is probably well ... determined. Kernel row numbers per ear are generally established by about V7. Will the recent moisture stress ... stages of the corn reported damaged by hail storms in NW Ohio last week were at about V5 or earlier when ...

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