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  1. Late Summer Establishment of Perennial Forages

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-22-issue-4/late-summer-establishment-perennial-forages

    6.0 or above. The minimum or critical soil phosphorus level for forage legumes is 30 ppm Mehlich-3 and ... for grasses 20 ppm Mehlich-3. The critical soil potassium level is 120 ppm for most of our soils ... increases the risk of soil crusting. Follow the "footprint guide" that soil should be firm enough ...

  2. Establishing Alfalfa and Weed Management

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-18-issue-2/establishing-alfalfa-and-weed-management

    be between 25 and 50 ppm. The Mehlich III soil test P concentrations should be between 40 and 79 ppm ... . The recommended rate of potash is based upon the soil test level in ppm, the cation exchange capacity, ... and yield goal.  If lime is required and the Bray P1 soil test value for phosphorus is below 25 ppm ...

  3. Emergency Preparedness Through a Farm Walk Through

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-6/emergency-preparedness-through-farm-walk-through

    be toxic to both humans and livestock. H 2 S gas concentration levels of 2 to 20 ppm will cause ... symptoms of nausea, headache, and dizziness. H 2 S levels greater than 100 ppm will cause altered ... around your farm. The best way to bridge the gap between your farm and emergency responders is to invite ...

  4. Feeding High Ash Forages

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-21-issue-6/feeding-high-ash-forages

    greatest potential risk of high ash forages is ruminal or abomasal impaction. The soil particles that the ... concentrations decrease as plants mature and is greater in forages grown in soils that contain high ... magnesium should be fed in that situation. High potassium forages also increases the risk of milk fever when ...

  5. Fertility Management of Meadows and Pastures

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-5-issue-3/fertility-management-meadows-and-pastures

    from legumes. For good yields of forage, soil P levels need to be maintained at 15 to 25 ppm (30 to 50 ... lb/acre). Potassium soil levels should be 125 to 200 ppm (250 to 400 lb/acre). On many livestock farms that ... commercial fertilizer application will not affect crop yields. Soil P levels of over 35 ppm and K levels of ...

  6. Should You Consider Reducing Mineral Supplementation in Periods of Low Milk Prices?

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-22-issue-3/should-you-consider-reducing-mineral-supplementation

    to 13 mg/kg (ppm) Cu, 35 to 40 ppm Mn, and 40 to 50 ppm Zn. Supplemental Se should be fed at 0.3 ppm ... P concentrations greater than those levels but that P is inexpensive. Magnesium is almost always deficient in basal ... Mg absorption, increasing the risk of deficiency. In most situations, diets with 0.20 to 0.25% Mg is ...

  7. Bring on the Heat

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-3/bring-heat

    cows have a pretty large threshold – between 25 and 65 degrees Fahrenheit – meaning that below 25 or ... heat stress. Because of daily variability in humidity and temperature, the temperature-humidity index ... every 1 mph increase in wind speed. High-volume, low-speed fans or box fans are both options depending ...

  8. Time to Assess Forage Legume Stands

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-2/time-assess-forage-legume-stands

    greater in wet, saturated clay soils with high shrink/swell potential that were exposed to rapid ... to green up. Wet soil conditions and widely fluctuating temperatures have presented tough conditions ... a concern in northeast Ohio and wherever heavy clay soils are present with poor drainage. Crops such as ...

  9. Milk Prices, Costs of Nutrients, Margins, and Comparison of Feedstuffs Prices

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-3/milk-prices-costs-nutrients-margins-and-comparison

    $23.50/cwt, respectively. Class III milk closed higher than predicted for May at $24.42/cwt, with protein and ... To estimate profitability at these nutrient prices, the Cow-Jones Index was used for average US cows ...

  10. Foliar Fungicides for Corn Silage: A Benefit or an Expense?

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-21-issue-4/foliar-fungicides-corn-silage-benefit-or-expense

    with fungal infections is that they may bring high levels of mycotoxins into the feed, but ... practices for disease selecting a corn variety with high levels of disease resistance. At the time of ... concentrations in the ear. The ability to have high toxin level in the stalk means we will need to scout even ...

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