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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. 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 ...

  3. Summer General Global Education Information Session

    https://ansci.osu.edu/newsletter/student-newsletter/december-6th-2021/summer-general-global-education-information-session

    safety resources. They will also give a high level overview of each of their Summer 2022 programs! If you ...

  4. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/AGF-514

    Soil test values may be reported in parts per million (ppm) or pounds per acre (lb/ac). To convert from ... ppm to lb/ac, multiply ppm by two. Phosphorus, potassium, calcium, and magnesium soil test values are ... 250–310 125–155 CEC=30 meq/100g 300–360 150–180 Calcium (Ca) 800–16,000 400–8,000 Levels less than 200 ppm ...

  5. Giving ugly food a chance

    https://cfaes.osu.edu/news/articles/giving-ugly-food-chance

    responses to hypothetical shopping scenarios for carrots. Participants were most open to buying bunches ... for some level of mixed bunches containing both ugly and standard carrots, maxing out at 40% of ... misshapen carrots—a sign to regulators who set the tolerance level for cosmetic standards that such ...

  6. 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 ...

  7. Giving shoppers a nudge to forgo plastic bags

    https://cfaes.osu.edu/news/articles/giving-shoppers-nudge-forgo-plastic-bags

    donation incentives, which still let customers use a plastic bag. It was a perfect scenario for a nudge,” ... the effect. “The nudge theory has been tested a lot, but this is one of the first attempts to ... donation program lowered the probability that a shopper would opt for a plastic bag by between 11.4 and ...

  8. 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 ...

  9. 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 ...

  10. Chow Line: Refrigerated leftovers safe to eat up to four days after Thanksgiving

    https://cfaes.osu.edu/news/articles/chow-line-refrigerated-leftovers-safe-eat-four-days-after-thanksgiving

    the holiday celebrations this year, while 46% of people will ask unvaccinated guests to test negative ... refrigeration, the risk of foodborne-illness-causing bacteria growing on those leftovers increases, Ilic said. ... “This is especially important for people that may be at increased risk of infections, such as elderly, ...

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