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  1. Biogas Cleaning and Upgrading Technologies

    https://ohioline.osu.edu/factsheet/AEX-653.1-14

    problems. High concentration of O₂ is explosive. H₂S is corrosive to steel in reactors and engines when ... than 3%, 112 mg/m³ and 4 ppm, respectively [3]. Most bio-CNG practices require purified biogas to have ... ppm, 4 ppm and 1 ppm of CO₂, H₂S and H₂O, respectively, to prevent dry ice formation and corrosion [4]. ...

  2. Quality Assurance Program

    https://butler.osu.edu/program-areas/4-h-youth-development/quality-assurance-program

    attend the test out. There are two age categories for the test (12-14) and (15-18). There are 50 multiple ... Test-Out Information: Test Out Date:            Tuesday, January 25, 2022 Test Time:                   6:00 ... if you take the Small Animal test or the Large Animal test. Test Out Information: Members may test ...

  3. Composting at Home

    https://ohioline.osu.edu/factsheet/hyg-1189-99

    thatch (an unhealthy, organic debris-layer between the soil and live grass). Finally, average mowing time ... chipped brush, and plant cuttings—improves soil, protects the environment, and saves money. Homeowners ... as leaves and food scraps, into a valuable fertilizer that can enrich soil and plants. Anything that ...

  4. mRNA Vaccines: The Next Generation Tool to Fight Infections

    https://ohioline.osu.edu/factsheet/vme-34

    Process Any new technology used on humans undergoes rigorous testing to ensure it is safe and effective ... – Scientists in the lab test whether their ideas for a vaccine work in laboratory or animal experiments. ... Preclinical testing – Additional laboratory research and testing is conducted using animals to determine how ...

  5. Advisor Resources

    https://mahoning.osu.edu/4-H/advisor-resources

    12:00pm in the Event Center at the Canfield Fairground 4-H Volunteer (Advisor) Annual 1.50 Child Abuse ... Prevention and Reporting Training Expectations All 4-H Volunteers must complete the 1.50 Policy on Child ... Abuse Prevention Training by April 1, 2022 to maintain your volunteer status. 1.50 Child Abuse ...

  6. Holiday Containers

    https://mahoning.osu.edu/events/holiday-containers-0

    class to get a leg up on your holiday designs.  Leave soil in the pot.  Cut off plants, do not dig. This ...

  7. Holiday Containers

    https://mahoning.osu.edu/events/holiday-containers

    class to get a leg up on your holiday designs.  Leave soil in the pot.  Cut off plants, do not dig. This ...

  8. Soil Acidity and Liming for Agronomic Production

    https://ohioline.osu.edu/factsheet/AGF-505-07

    is considered adequate if soil test levels are greater than 50 ppm (100 lb). Hi-cal (calcitic) lime ... ($50 hauling charge/60 acres). Summary In summary, make sure you obtain a soil test, determine if lime ... neutralization to raise the soil pH. High concentrations of hydrogen in soil solution (low soil pH) may cause the ...

  9. Conservation Tillage and Technology Conference

    https://fabe.osu.edu/CTCon

    $100 (after Feb. 25, registration is $150). This registration includes  exclusive access  to all ... Alll 4 concurrent sessions will begin at 10:00 a.m. The Tuesday session on “ Soil Health, Cover Crops ... 4:30.  The  Soil Health  and  Crop Management  sessions will continue. The other two focus on:  Water Quality ...

  10. A Consumer’s Guide to Pure Maple Syrup

    https://ohioline.osu.edu/factsheet/anr-101

    original maple grading standard of USDA Grade A Light, Medium, and Dark, along with Grade B. In the fall of ... differentiate between grades. Which Grade Do You Prefer? For maple syrup consumers, the first question that ... that contain high fructose corn syrup or artificial sweeteners.   Maple Syrup Quality and Health ...

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