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  1. Growing Degree Day (GDD) Maturity Rating System

    https://agcrops.osu.edu/node/4413

    The GDD maturity rating system is based on heat units. It is more accurate in determining hybrid ... rates of corn do not increase above 86 degrees Fahrenheit. Growth at the low temperature cutoff (50 ... system has several shortcomings. GDD ratings of hybrids with similar days to maturity ratings don’t ...

  2. Nutrient Value of Wheat Straw

    https://agcrops.osu.edu/node/4390

    the ammonium and/or nitrate form, it is available for plant uptake. The rate at which mineralization ... slower. (For comparison, corn stover is reported to have a C:N ratio of 57:1.) Rate of mineralization is ...

  3. Animal Growth and Development

    https://ansci.osu.edu/courses/animsci-7100

    industries continue to emphasize more efficient growth rates and acceptable meat quality. Specific ...

  4. Hot Topics in Grain Crops Series

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-04/hot-topics-grain-crops-series

    nitrogen rates, timing of nitrogen application, and potential benefits of nitrogen nitrification ... research will be presented on nitrogen rates, timing of nitrogen application, starters, and benefits from ... management, planting date, and seeding rates. fertilizer Corn soybeans Small Grains ...

  5. Battle for the Belt: Episode 5

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-09/battle-belt-episode-5

    respiration rates and possibly lower dissolved oxygen levels. Soybean emergence will also be extended with ...

  6. Double Crop Sunflower in Ohio, is it an Option?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-05/double-crop-sunflower-ohio-it-option

    E) Mid-early maturity (CP 455 E) These varieties were studied across three seeding rates: 17,000 ... consistency of results across sites/years as a double crop, variety selection and seeding rates as ...

  7. Battle for the Belt: Episode 2

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-06/battle-belt-episode-2

    and seeding rate adjustments for soybean. Keep following the ‘Battle for the Belt’ project this ...

  8. Conservation Tillage and Technology Conference

    https://agcrops.osu.edu/events/conservation-tillage-and-technology-conference-1

    Registration Registration is a flat rate $100.  Click below to register online or print a mail-in registration ...

  9. Tillage

    https://agcrops.osu.edu/node/4327

    high rates of fertilizer.  Use tillage to mitigate compacted soil layers or zones that interfere with ... 20.45 5.4 2.3 4.4 *Cost of tillage operations from Ohio Farm Custom Rates 2016 available at:  ... aede.osu.edu/about-us/publications/ohio-farm-custom-rates-2016  **Based on corn, soybean and wheat prices of $3.80, $8.85 and $4.60 per bushel, respectively.  ...

  10. Late Planting

    https://agcrops.osu.edu/node/4336

    Late planting reduces the cultural practice options for row spacing, seeding rate, and variety ... maturity. The row spacing for June planting should be no greater than 7.5 inches. Appropriate seeding rates ...

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