Site

Search results

  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. 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 ...

  4. 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 ...

  5. 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 ...

  6. Restoring Streams and Wetlands- Final EPN Breakfast

    https://ocvn.osu.edu/events/restoring-streams-and-wetlands-final-epn-breakfast

    trainings, and collaborations among and between professional ecologists and engineers to create sustainable ...

  7. Building hope in a space and movement where change feels unlikely

    https://epn.osu.edu/blog/building-hope-space-and-movement-where-change-feels-unlikely

    United Nations Climate Change Conference of the Parties – “COP 26” – in Glasgow, U.K. between October 31, ... A History of World Soil Day and Overview of Climate Smart Agriculture with Dr. Rattan Lal and the EPN. ...

  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. Creating a Final Business Retention and Expansion (BRE) Community Report

    https://ohioline.osu.edu/factsheet/cdfs-4107

    introduction. 5. Introduction of BRE Program The main difference between the executive summary and the ... between governmental entities and public/private organizations is needed. Low-to-moderate income housing ... International Economic Development Council, ED Now (newsletter), May 6, 2019. iedconline.org/index ...

  10. Collecting and Submitting a Turfgrass Sample to the Plant and Pest Diagnostic Clinic

    https://ohioline.osu.edu/factsheet/hyg-3087-10

    shipping information are correct. Step 1: Collecting the Sample For "high-cut turf " such as ... healthy (unaffected) and sick (infected) turf. This allows a comparison to be made between the healthy ... both high-cut turf and golf-course samples, be sure the sample includes roots. Many people might not ...

Pages