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  1. 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 ...

  2. 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 ...

  3. 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 ...

  4. 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 ...

  5. Lawn Mowing

    https://ohioline.osu.edu/factsheet/hyg-5816

    possess limited leaf area, restricting their photosynthetic rate and ultimately compromising their vigor. ...

  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. Herbicide Injury and the Problem of Spray Drift

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

    or green bark, a high spray rate, or vine predisposition resulting from environmental stresses that ... 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 ...

  8. Ohio Phosphorus (P) Use by Crop Reporting District

    https://ohioline.osu.edu/factsheet/anr-0144

    2022. The reduction rate ranges from 50 to 868 tons per year. Seven of nine Ohio CRDs show an increase ... (2018–2022). Statewide P 2 O 5 trendline data showed an increasing annual use rate of 7,052 tons (1987–1996) ... and a decreasing rate of 2,424 tons from 1994 to 2022 (LaBarge, 2023). Table 2 shows the trendline ...

  9. Shiitake Mushroom Production: Troubleshooting

    https://ohioline.osu.edu/factsheet/f-0105

    recommended rates and holes drilled farther apart than recommended can take longer to colonize. These factors ...

  10. Best Practices for Effective and Efficient Pesticide Application

    https://ohioline.osu.edu/factsheet/fabe-532

    for the job.  Sprayer operation parameters: application rate, spray pressure, ground speed Type of ... determine the appropriate size of that nozzle size that provides the application rates (gal / acre) ... during the spraying season. Some may argue that most sprayers are now equipped with sophisticated rate ...

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