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  1. Growing Degree Day (GDD) Maturity Rating System

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

    accumulation of heat over time rather than the number of calendar days from planting. The GDD system has ...

  2. Making Replant Decisions

    https://agcrops.osu.edu/node/4422

    begin to decline rapidly because of delayed planting, calendar date assumes increased importance.  Table ...

  3. Date of Planting

    https://agcrops.osu.edu/node/4418

    the calendar date when corn yields begin to quickly decline. Ohio corn producers usually cannot ... grain moisture at maturity than earlier maturing hybrids, there will be less calendar time for field ...

  4. Days to Maturity Rating System

    https://agcrops.osu.edu/node/4412

    reflect actual calendar time between planting and maturity―a 106-day hybrid, for example, does not ...

  5. Harvesting

    https://agcrops.osu.edu/node/4425

    Harvest date should be determined by crop maturity, not by the calendar. Plan to harvest fields ...

  6. October Usually Brings Our First Fall Freeze

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-34/october-usually-brings-our-first-fall-freeze

    The calendar has turned to October, and with it, harvest and fall activities will accelerate over ...

  7. Autumn Forage Harvest Management

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-31/autumn-forage-harvest-management

    approach to fall harvest management uses growing degree-days (GDD) rather than calendar dates.  Research ...

  8. What Does the Research Tell Us About Cover Crops & Soil Health?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-03/what-does-research-tell-us-about-cover-crops-soil-health

    see researched. Register at go.osu.edu/soilhealth2022 for this virtual event. And mark your calendar ...

  9. CFAES Ag Weather System 2022 Near-Surface Air and Soil Temperatures/Moisture (Update 7- Final)

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-14/cfaes-ag-weather-system-2022-near-surface-air-and-soil

    to emerge. We refer you to a 2021 CORN for more on calendar vs. GDD for corn emergence at ...

  10. Delayed Corn Planting and the U2U Tool

    https://agcrops.osu.edu/2022-16/delayed-corn-planting-and-u2u-tool

    growing season shorter in calendar days and available growing degree days (GDDs). On May 23, the USDA ...

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