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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. Fusarium Head Blight Forecasting System

    https://ohioline.osu.edu/factsheet/plpath-cer-03

    Red indicates high risk for scab exceeding 10% severity, yellow indicates moderate risk, while green ... indicates low risk. High scab risk is associated with high risk for grain contamination with vomitoxin, but ... reducing grain yield, test weight and grain quality. More importantly, F. graminearum produces mycotoxins, ...

  3. Algae for Biofuels

    https://ohioline.osu.edu/factsheet/AEX-651-11

    of the current research and development efforts have focused on microalgae due to their high growth ... oil yield than land oil crops (Table 1). For example, algae with 50% lipid content and a dry biomass ... productivity of 50 g/m²/day can potentially produce 10,000 gallons oil/acre/year (Pienkos, 2007). By ...

  4. Food Safety for Fruits and Vegetables

    https://ohioline.osu.edu/factsheet/ANR-25

    to levels between 50 ppm to 500 ppm depending on the sensitivity of each fruit and vegetable crop. ... are low in fat, high in fiber, and include at least five servings a day of fresh fruits and vegetables ... can protect against many types of cancer and lessen the risk of heart disease (4). However, it is ...

  5. Interpreting Manure Sample Test Results

    https://ohioline.osu.edu/factsheet/anr-55

    per acre or 10 ppm, and a potassium soil test level of 50 pounds per acre or 25 ppm with a CEC of 20 ... determine the crop’s needs. The soil test will contain the current levels of nitrogen, phosphorus and ... with a yield goal of 180 bushels per acre and the field has a phosphorus soil test level of 20 pounds ...

  6. 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 ...

  7. 2022 FABE Scholarships and Awards

    https://fabe.osu.edu/news/2022-fabe-scholarships-and-awards

    Crow (Master's Level) Holly Huellemeier (PhD Level) FABE Graduate Teaching Award Matthew Herkins ...

  8. Establishing Early Successional Habitat for Wildlife

    https://ohioline.osu.edu/factsheet/w-23

    the area to plant, take a soil sample to determine present nutrient levels and the need for additional ... establishment and growth. If your soil test indicates a need for lime, apply it before the soil is tilled so it ... applied at planting based on soil test recommendations. Nitrogen (N) should not be applied at planting ...

  9. Corn Yield Response to Damage from Strong Storms

    https://ohioline.osu.edu/factsheet/ac-1054

    more than 50%, and sometimes as high as 70%, to decrease oil content. Grain oil content was reduced as ... leaves that are up to 40–50% exposed. This coincides with the leaf tip becoming more horizontal. The ... defoliation levels, and induced root lodging) and from observations after natural events (root lodging and ...

  10. Understanding Soil Microbes and Nutrient Recycling

    https://ohioline.osu.edu/factsheet/SAG-16

    Bacteria 10 8 –10 9 40–500 Actinomycetes 10 7 –10 8 40–500 Fungi 10 5 –10 6 100–1500 Algae 10 4 –10 5 1–50 ... a storehouse for many plant nutrients. Consider the following three scenarios. Soils typically turnover 1 to ... oxygen levels, thereby promoting bacteria populations to expand and consume active carbon in the soil ...

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