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

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

    require that foods, including grains, containing more than 0.9 percent biotech material (GMOs) are labeled ... minimize pollen contamination by GMO corn if they are to obtain premiums. This can be challenging since ... determined by the acreage of the non-GMO IP corn field. These isolation and border-row requirements are ...

  2. Fertilization

    https://agcrops.osu.edu/node/4389

    test should be used for lime recommendations. These recommendations are for mineral soils with adequate ... nutrients have been adapted from this publication.  Nitrogen (N)  Nitrogen rates are based on yield ... potential and not on soil analysis. Total nitrogen recommendations are given in Table 1 or may be calculated ...

  3. Days to Maturity Rating System

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

    because there are no industry standards for the days to maturity rating system, grain moisture comparisons ... ratings are satisfactory for pre-season hybrid maturity selection when length of the growing season is ...

  4. Row Width

    https://agcrops.osu.edu/node/4420

    systems are often perceived as a proven method for increasing yield and profitability, studies on ... these hybrids have an advantage over high yielding hybrids in 30-inch rows.  Some growers are ... associated with narrow row corn. In the typical twin row system, two rows are placed 6 to 8 inches apart on ...

  5. How Climate Affects Corn Production

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

    However, yields are generally lower, and harvest moisture may be high because of high grain moisture at the ... hours, however, and conditions severe enough to cause this problem are unusual in Ohio.  Precipitation ... water use during pollination, when plants are silking.  Excessive rainfall, resulting in flooding and ...

  6. How Climate Affects Corn Production

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

    However, yields are generally lower, and harvest moisture may be high because of high grain moisture at the ... hours, however, and conditions severe enough to cause this problem are unusual in Ohio.  Precipitation ... water use during pollination, when plants are silking.  Excessive rainfall, resulting in flooding and ...

  7. Harvesting

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

    November the rate drops to 0.25 percent per day, and after Thanksgiving, drying rates are negligible (Table ... In October, the accumulation drops to 5 to 10 GDDs per day. These estimates are based on ... associated with harvest delays are magnified at high plant populations (Table 4-10) and hybrid susceptibility ...

  8. Producing Wheat in 15-Inch Rows

    https://agcrops.osu.edu/node/4388

    lodging-resistant varieties prevents lodging in high-yield environments where yields of 100 bushels per acre are ... Growers are interested in wide-row wheat production due to reductions in equipment inventory (lack ... and quality. Additional effects of lodging are reduced straw quality and slowed harvest. The ...

  9. Seeding Depth

    https://agcrops.osu.edu/node/4419

    evaporation rates increase, deeper planting may be advisable. When soils are warm and dry, corn may be seeded ... as corn growers across the Corn Belt are planting earlier so they can complete planting before yield ...

  10. Date of Planting

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

    Ohio, April 10 to May 10. Approximately 100 to 150 GDDs (heat units) are required for corn to emerge. In ... soil conditions are not excessively wet. An early morning soil temperature of 50 degrees Fahrenheit at ... one out of three days are available for effective fieldwork.  Table 4-9 shows the effect of planting ...

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