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  1. A Guide to Corn Growth and Development

    https://ohioline.osu.edu/factsheet/anr-0148

    hybrids and plant densities (seeding rates). Reproductive Stage R1 (Silking) Plants with one or more silks ... decreases after R6 at a near linear rate, with reductions of approximately 0.5% to 0.75% per day until near ... doi.org/10.1038/s41598-019-43653-1 Ortez, O., & Lindsey, A. (2023). Corn growing degree days: a method of maturity rating for ...

  2. Corn Response to Long-Term Weather Stressors

    https://ohioline.osu.edu/factsheet/anr-0150

    degrees Fahrenheit over the past 50 years. Warm temperatures during the night increase respiration rates ... on the crop’s relative growth rate and how the daily radiation energy available per heat unit ... controlled drainage structures, adjusting seeding rates depending on site-specific conditions, and leveraging ...

  3. Forage Testing for Beef Cattle

    https://ohioline.osu.edu/factsheet/anr-0149

    largest being rate of gain. NEG requirements have great variability primarily influenced by the desired ... rate of gain and finishing weight of the heifer. In general, 700-pound heifers gaining 1.5 pounds per ... milligrams per kilogram (mg/kg), and diets containing less than 15.8 mg/kg result in reduced conception rates ...

  4. Drones for Spraying Pesticides—Opportunities and Challenges

    https://ohioline.osu.edu/factsheet/fabe-540

    $18.22 billion by 2030, at a compound annual growth rate of 20.3% during the forecast period” (Fortune ... aerial sprayers: tank pump pressure gauge hoses filters nozzles flow meter for real-time rate adjustments ... optimum size (flow rate) to accommodate variables such as spray pressure, gallons-per-acre application ...

  5. Herbicide Injury and the Problem of Spray Drift

    https://ohioline.osu.edu/factsheet/anr-0137

    to sprays that contacted the foliage or green bark, a high spray rate, or vine predisposition ... seeding/emergence at extremely low rates.  Symptoms caused by glyphosate and ALS inhibitors develop slowly and may ... vineyard. Injury, however, may occur if the spray rate is too high when these herbicides are applied to soil ...

  6. Shiitake Mushroom Production: Logs and Laying Yards

    https://ohioline.osu.edu/factsheet/f-0041

    a high, open, windy, sunny hilltop, the drying rate of logs might necessitate regular and frequent ... Stacking methods also affect log moisture content and drying rates. There are five main types of stacks: ... may be more useful during fruiting periods with higher humidity and lower drying rates. High A-frame ...

  7. Potassium Uptake and Ohio Crop Response

    https://ohioline.osu.edu/factsheet/anr-0147

    Extension Potassium (K) is a macro nutrient needed for crop production. Annual K removal rates for grain ... three forms, but the exchange rate depends on the soil’s texture and composition. Other soil factors, ... cycles, also impact the exchange rate and thereby K-availability to plants. Figure 1 shows a simplified ...

  8. Best Practices for Effective Spraying in Orchards and Vineyards

    https://ohioline.osu.edu/factsheet/fabe-539

    required application rate, sprays droplets of the proper size on the target uniformly, and minimizes the ... accuracy also apply to manual sprayers: Maintain a consistent walking speed to keep the application rate ... relatively uniform throughout the operation. Maintain the same spraying pressure to keep the application rate ...

  9. Nanopore MinION sequencing

    https://mcic.osu.edu/genomics/nanopore-minion-sequencing

    individual DNA strands through biological nanopores at a rate  controlled by a processive enzyme bound to the ... and the MCIC Computational Biology Laboratory has the necessary bioinformatics tools set up. Library ...

  10. Soil Phosphorus and Crop Response to Phosphorus Fertilizer in Ohio

    https://ohioline.osu.edu/factsheet/anr-0146

    observed at responsive sites. The response rate of crops also varied, with corn showing an increase in ... As the P levels decreased, the response rate to P fertilizer application doubled at 10-20 ppm and ...

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