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  1. Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values

    https://ohioline.osu.edu/factsheet/anr-75

    Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...

  2. The Science of Human Sensory Measurements: Theoretical Principles and Industrial Applications

    https://fst.osu.edu/courses/fdscte-7560

    perception measurements in sensory evaluation with a focus on sensory discrimination testing. This course ...

  3. Billbugs in Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-2502-12

    damage. If a lawn or neighborhood was damaged in a previous year, it is at high risk of repeating the ... a threshold temperature of 50°F predicts that the first adult activity should occur between 280 and 352 DD 50 ... occur between 560 and 624 DD 50. Option 5: Chemical Control—Curative Control of Summer Larvae Many ...

  4. Grapevine Nutrient Management: Petiole Sampling and Analysis

    https://ohioline.osu.edu/factsheet/hyg-1438

    availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...

  5. Growing Giant Pumpkins in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1646

    add organic matter to the soils. Fertilizer and Lime A soil test is recommended in the fall to address ... prior to spring planting. Always apply lime and fertilizers based on soil test recommendations. ... moisture levels. The plastic can be installed when the soil is in good planting condition, any time from ...

  6. Precision Agriculture Tools for On-Farm Research

    https://ohioline.osu.edu/factsheet/fabe-558

    between treatments are a result of the treatments tested and not just random chance. Data summary can ... question can be tested effectively, available equipment, equipment size, technology control capabilities, ... considered. For instance, if testing different fertilizer rates within a pass or area, the time it takes to ...

  7. Substance Abuse and Injuries

    https://ohioline.osu.edu/factsheet/aex-591109

    Note Review the case studies or create others. Divide the workers into two groups to discuss scenarios ... their effects and increases the risk of injury and death. Drug and alcohol use increases the possibility ... of an on-the-job accident. Case Study 1 Joe drank beer and wine in high school and started using ...

  8. Gypsum for Agricultural Use in Ohio—Sources and Quality of Available Products

    https://ohioline.osu.edu/factsheet/anr-20

    to elevated levels. Unwashed FGD by-products can have levels of B sufficiently high to result in ... Professor The Role of Gypsum as a Soil Amendment— Gypsum is hydrated calcium sulfate (CaSO 4 • 2H 2 O), and ... is often marketed as a soil “conditioner” for improving soil “tilth.” Compared to most other ...

  9. Moderate Electric Fields (MEFs): A Fact Sheet for Food Processors

    https://ohioline.osu.edu/factsheet/aex-270

    such as Pulsed Electrical Field (PEF)? Electric fields can be applied at varying levels. While MEF ... pasteurized within minutes at temperatures between 75 F and 100 F. Agitation disrupts and mixes the cells ... are manufactured, installed, tested, and operated according to regulations and codes. This technology ...

  10. Invasive Species Management: Common and Japanese Barberry

    https://ohioline.osu.edu/factsheet/anr-0106

    a relationship between high tick populations and the presence of the invasive shrub, making it crucial for forest ... note the difference in leaf margin between the two species. Common barberry has sharply toothed leaf ... fine as a syringe. They are brittle and easily dislodge in gloves, skin, or fur due to their high ...

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