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  1. Herbicide Resistance in Waterhemp

    https://ohioline.osu.edu/factsheet/anr-78

    population tested for presence of resistance   University of Illinois, $50 per field Use a combination of PRE ... genetic variability results in a relatively high frequency of mechanisms that can impart resistance to ... a population to an herbicide, increasing the risk of failure the next time that herbicide is used. Figure 1. ...

  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. Forest Management

    https://ohioline.osu.edu/factsheet/F-34-02

    1. Examples of Forest Landowner Objectives Source of Income Tax Shelter Product Yield Soil ... species, condition, numbers, age, volume, value, growth, and basal area will be measured. Soil/site quality ... biological/ecological characteristics of the forest (e.g., tree species, soil type, topography, etc.) determine what is ...

  4. Controlled-Release Fertilizers in the Production of Container-Grown Floriculture Crops

    https://ohioline.osu.edu/factsheet/HYG-1260

    a 20–10–20 water-soluble fertilizer at an application rate of 150 ppm N (left), or a 16–9–12 ... rates, release by shorter longevity CRFs (e.g., 3–4 month) may result in excessively high salt levels ... acidic fertilizers to compensate for high alkalinity levels in the irrigation water need to adjust the ...

  5. 2024 Hardin County Goat Banquet

    https://hardin.osu.edu/news/2024-hardin-county-goat-banquet

    surrounding communities. There will be a silent auction, 50/50 drawing, and other raffles. Come join us for ...

  6. Inoculants and Soil Amendments for Organic Growers

    https://ohioline.osu.edu/factsheet/SAG-17

    Green manures added to soil from cultivating cover crops between cash crops can be effective in adding ... maintain appropriate and balanced soil fertility, a soil test should be conducted before applying ... Manures Green manures can be added to soil by cultivating cover crops between cash crop growing seasons. ...

  7. 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 ...

  8. Columbus and Wooster Campus students compete in ASAS Midwest Academic Quadrathlon

    https://ansci.osu.edu/news/columbus-and-wooster-campus-students-compete-asas-midwest-academic-quadrathlon

    Madison, WI. This competition tests the team in all areas of animal science and incorporates hands-on ...

  9. Dr. Sandra (Sandy) Velleman retires following three decades of industry leadership

    https://ansci.osu.edu/news/dr-sandra-sandy-velleman-retires-following-three-decades-industry-leadership

    Connecticut and worked closely with Dr. Carl Nester. Conversations between the east coast natives often ranged ...

  10. Biosecurity Fundamentals for Extension Personnel

    https://ohioline.osu.edu/factsheet/vme-5

    interview, the manager can decide whether the person represents a low-, medium- or high-risk visitor and then ... a herd by the addition of animals, there is a risk of disease introduction by people traveling between ... placed in a clean plastic bag or container before re-entering the vehicle. High-risk visitors are those ...

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