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  1. Date of Planting

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

    first week of May. Grain yield and test weight were increased by early plantings, whereas grain moisture ... Moisture and Test Weight of Corn Grain (Columbus, OH).  Planting Date (mo/day)  Percent of Maximum Yield  ... Percent Grain Moisture  Test Weight (lbs/bu)  4/23/29 100 20.8 55 4/30-5/7  99 23.7 55 5/8/14 92 24.9 55 ...

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

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

    pollination results from pollen dispersed by wind and gravity. Although most of a corn field’s pollen is ... U.S. In comparisons of open-pollinated varieties with hybrids in the Ohio Corn Performance Test, hybrid ...

  3. Fertilization

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

    a recent soil test. The soil test will provide current levels of phosphorus and potassium in the soil and ... eastern Ohio (subsoils derived from shale and sandstone). The lime test index or buffer pH on the soil ... test should be used for lime recommendations. These recommendations are for mineral soils with adequate ...

  4. Corn Growth and Development

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

    [online] kingcorn.org/news/timeless/GrainFill.html.  Table 4-5 lists estimated yield loss resulting from ... developed to determine yield losses resulting from hail damage, it can also be used to help assess losses ... resulting from other defoliation injuries (such as wind, frost, insect feeding, herbicide damage, and foliar ...

  5. Variety Selection

    https://agcrops.osu.edu/node/4382

    The Ohio Wheat Performance Test is conducted annually to measure yield and other agronomic ... Ohio Wheat Performance Test, Ohio State University Horticulture and Crop Science Department Series 228, ... June and early July which kill the crop. Select wheat varieties with high yield potential, high test ...

  6. Row Width

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

    narrow-row corn production have produced mixed results. Some of the inconsistency may be related to latitude ... advantages for narrow rows in the central Corn Belt. Results of a Michigan State University study conducted ... header and tractor tire spacing used in 30-inch corn production. In recent university studies, results ...

  7. Seeding Depth

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

    protection and allow for adequate root development. Shallower planting often results in poor root development ... hot, dry weather inhibits nodal root development. Shallow plantings can increase stress and result in ...

  8. Corn Pest Management

    https://agcrops.osu.edu/node/4424

    creamy white with orange heads. While most species are of minor importance, the Asiatic garden beetle is ... nitrogen, phosphorus, and potassium based on soil tests.  4. Crop rotation and destroying corn residues by ... not result in yield responses that are high enough to offset fungicide application cost.  8. Survey ...

  9. Maturity

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

    frost, which results in wet grain. When confronted with delayed planting or replanting decisions, growers ...

  10. Production of Other Small Grain Species

    https://agcrops.osu.edu/node/4396

    45 60 Soil Test Value  Annual Recommendation       (lb P2O5/ac)  lb P/ac  ppm        30 15 80 95 115 ... Oats  100 130 160 Rye  30 45 60     CEC CEC CEC Soil Test Value  10 20 30 10 20 30 10 20 30 lb K/ac ppm ...

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