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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. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  3. 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 ...

  4. Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage

    https://ohioline.osu.edu/factsheet/AC-52

    screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...

  5. Partners Gather to Kickoff Pilot Watershed Project

    https://fabe.osu.edu/news/partners-gather-kickoff-pilot-watershed-project

    quality changes in a productive agricultural watershed. The project will evaluate soil health, nutrient ... Bowling Green State University will lead research to examine soil health in the watershed and identify ... project.  Doug Deardorff,  resource conservationist with Hardin Soil and Water Conversation District serves ...

  6. Ammonia Emission from Animal Feeding Operations and Its Impacts

    https://ohioline.osu.edu/factsheet/AEX-723.1

    50 ppm, increased levels of keratoconjuctivitis and tracheitis have been observed. These trachea and ... causes high ammonia levels inside animal production buildings, especially in winter months when the ... concentrations. People begin to detect odors at 5–50 ppm. Irritation to mucous surfaces occurs at 100–500 ppm ...

  7. EPN Breakfast- Tuesday, November 14, 2023: Plastics, we got your number! New circular economy approaches unveiling potential to make a difference

    https://epn.osu.edu/events/epn-breakfast-tuesday-november-14-2023-plastics-we-got-your-number-new-circular-economy

    Macro-level analyses of carbon emissions from plastic recycling show there are problems and opportunities in ... University Josh develops partnerships between Ohio State and major stakeholders, including businesses, ... State Energy Partners Award of $50,000 for administration and planning’s food scrap compost expansion. ...

  8. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/agf-0515

    determined using field studies to correlate soil test levels to crop yield response. Ohio data was used to ... This framework strives to build soil test levels up to and beyond a critical level, and then maintain ... these levels over time. The critical level is a key component to this framework. Soil test levels above ...

  9. EPN Breakfast- Tuesday, October 10, 2023: Designing Circular Economy Strategies from within the Textiles and Fashion Industries

    https://epn.osu.edu/events/epn-breakfast-tuesday-october-10-2023-designing-circular-economy-strategies-within-textiles

    stages of the clothing materials, which are highly energy-intensive processes in both electric and ... Eileen Fisher and the movement of brands from linear to circular models. 8:50 a.m. Luke Henning, chief ... between Bethell, Ulasewicz, Gama and Henning moderated by Lewis and Goldsand. 9:15 a.m. Live audience ...

  10. 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 ...

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