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  1. Maturity

    https://agcrops.osu.edu/node/4411

    Growers should choose hybrids with maturity ranges appropriate for their geographic area or ... circumstances. Corn for grain should reach physiological maturity or “black layer” (maximum kernel dry weight) ... one to two weeks before the first killing frost in the fall. Use days to maturity and Growing Degree ...

  2. Hybrid Selection

    https://agcrops.osu.edu/node/4410

    on Specialty Corns). Will the corn be used for grain or silage? Will it be sold directly to the ... Selecting a group of hybrids for planting is a key step in designing a successful corn production ... system. To stay competitive, growers must introduce new hybrids to their acreage on a regular basis. ...

  3. Specialty Corns

    https://agcrops.osu.edu/node/4426

    growers to use. Contracts for growing specialty hybrids usually offer a premium over the yellow dent price ... to compensate for the lower yield potential and the special handling required to ensure high grain ... grain hybrids to determine which are best suited for ethanol production using the wet milling and ...

  4. Growing Degree Day (GDD) Maturity Rating System

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

    several advantages over the days to maturity system. The GDD system provides information for choosing ... time to define thermal time for a given period of time. The cumulative GDDs associated with different ... (see Chapter 1) lists average GDD accumulation for several Ohio locations from several dates in May to ...

  5. Disease Resistance and Tolerance

    https://agcrops.osu.edu/node/4416

    Hybrids should be selected for resistance or tolerance to stalk rots, foliar diseases and ear ... reactions to specific diseases in Ohio (Table 4-21). See the section on  Disease Management  for more on the ... use of hybrid resistance and tolerance to minimize crop losses.  Hybrid response to high population ...

  6. How Climate Affects Corn Production

    https://agcrops.osu.edu/node/4407

    less dissolved oxygen. Cool weather, on the other hand, may allow plants to live for more than a week ... rainfall can also cause nitrate leaching.  For crop moisture to be adequate, available soil moisture must ... Temperature Corn can survive brief exposures to adverse temperatures―low-end adverse temperatures ...

  7. How Climate Affects Corn Production

    https://agcrops.osu.edu/node/4406

    less dissolved oxygen. Cool weather, on the other hand, may allow plants to live for more than a week ... rainfall can also cause nitrate leaching.  For crop moisture to be adequate, available soil moisture must ... Temperature Corn can survive brief exposures to adverse temperatures―low-end adverse temperatures ...

  8. Isolation Requirements for Identity Preserved (IP) Non-GMO Corn Production

    https://agcrops.osu.edu/node/4427

    available for planting, some organic corn growers prefer to grow open-pollinated varieties. Open-pollinated ... as genetically engineered. Ohio producers of IP non-GMO corn, such as organic farmers, need to ... minimize pollen contamination by GMO corn if they are to obtain premiums. This can be challenging since ...

  9. Corn Growth and Development

    https://agcrops.osu.edu/node/4409

    inappropriate cultural practices. A helpful resource with information for diagnosing problems related to pests ... adjusters for hail damage assessment (Table 4-5). Identify uppermost leaf that is 40 to 50 percent exposed ... factors throughout the growing season. Corn growers who understand how the corn plant responds to various ...

  10. Grain Quality

    https://agcrops.osu.edu/node/4417

    may use this information to reduce feed costs and optimize diets. Hybrid genetics significantly affect ... the protein and oil content of corn grain. For feed, protein content is of primary interest, whereas ... for processing uses, oil content is of interest. Corn grain is typically 8 percent protein and 3.6 ...

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