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  1. TARDISS

    https://fabe.osu.edu/node/11065

    creating bridges between engineering, biology, and agriculture, to revolutionize alternative natural rubber ...

  2. Ohio Data That Shaped the Tri-State Fertilizer Recommendations

    https://ohioline.osu.edu/factsheet/agf-518

    that very low soil test levels require high fertilizer rates, but as soil test levels increase, our ... able to answer the question, “At what soil test level should I apply fertilizer to see a yield ... response?” To answer this question, we need to establish a critical soil test level.  For each trial, we ...

  3. Nutrient Removal for Field Crops in Ohio

    https://ohioline.osu.edu/factsheet/anr-96

    manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...

  4. Estimated Return-to-Seed of Variable vs. Uniform Corn Seeding Rates

    https://ohioline.osu.edu/factsheet/agf-520

    to predict or identify areas of consistent yield levels (high, medium, low) and stability (stable vs. ... 18,000 to 50,000 seeds per acre. Most studies in Ohio were planted between early May and early June, and ... profitability—can vary within and among fields with small differences in soils and weather. Given the advances in ...

  5. The Basics of Grant Writing: Becoming Grant Ready

    https://ohioline.osu.edu/factsheet/cdfs-4118

    provides flexibility with the program guidelines at the local level. Pass-through grants are awarded to ... current data available from expert sources. Do not overdo the amount of data—find a good balance between ... foundation grantors hold collaboration and partnership in high esteem” (Smith & Tremore, 2008). ...

  6. 2025 Programs

    https://fulton.osu.edu/program-areas/agriculture-and-natural-resources/2025-programs

    FERTILIZER APPLICATOR TESTING Registration is required for these testing dates. Testing will begin promptly ... at 9:00 am and end around 2:00 pm. The available testing dates are listed below. All testing dates ...

  7. Nutrient Management of Forage Crops Intended for Hay

    https://ohioline.osu.edu/factsheet/anr-0109

    is to maintain soil test P and K between the “critical level” (minimum) and “maintenance limit” ... level before planting. The estimated amount of P 2 O 5 required to raise a soil test 1 PPM is 20 pounds ... For example, if a soil test is 100 PPM and the goal is to increase the soil test to a critical level ...

  8. Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation

    https://ohioline.osu.edu/factsheet/anr-81

    example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...

  9. ODA State Testing

    https://fulton.osu.edu/events/oda-state-testing-11

    initial pesticide license tests or adding categories (commercial or private). ODA also offers a test for ... adding Category 15 (fertilizer). To register for a test, date and location, you must visit the ODA ...

  10. ODA State Testing

    https://fulton.osu.edu/events/oda-state-testing-10

    initial pesticide license tests or adding categories (commercial or private). ODA also offers a test for ... adding Category 15 (fertilizer). To register for a test, date and location, you must visit the ODA ...

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