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  1. Plan Now for Fall Fertilization of Perennial Forages

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-26/plan-now-fall-fertilization-perennial-forages

    When soil test P exceeds the agronomic level of 50 PPM, there is increased  potential of P losses into ... For example, many dairies have high levels of soil P, making the expense of fertilizer P unnecessary. ... over-application harms the environment and can harm animals fed those forages. A recent soil test should always ...

  2. Seeding Perennial Forages in Late Summer

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-24/seeding-perennial-forages-late-summer

    phosphorus level for forage legumes is 30 to 50 ppm Mehlich-3 and for grasses 20 to 30 ppm Mehlich-3. The ... optimal soil potassium level is 120 to 170 ppm for most of our soils.   Check herbicide history of field. ... contact. Be aware that too much tillage depletes soil moisture and increases the risk of soil crusting. ...

  3. Estimated and Soil Test Methods to Determine Supplemental N need after Flooding

    https://brown.osu.edu/news/estimated-and-soil-test-methods-determine-supplemental-n-need-after-flooding

    than 10 pounds of N for every 2 ppm reduction in soil sample N below the expected levels listed in ... field conditions, an understanding of loss mechanisms and other estimates of loss or soil tests may help ... soil temperatures between 55 to 65 degrees Fahrenheit, approximately 2 to 3% of soil nitrate is lost ...

  4. Estimated and Soil Test Methods to Determine Supplemental N need after Flooding

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-19/estimated-and-soil-test-methods-determine-supplemental-n-need

    than 10 pounds of N for every 2 ppm reduction in soil sample N below the expected levels listed in ... understanding of loss mechanisms and other estimates of loss or soil tests may help decide on 2022 management in ... between 55 to 65 degrees Fahrenheit, approximately 2 to 3% of soil nitrate is lost per day under saturated ...

  5. All Puckered Up: Dicamba Drift Reminders

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-25/all-puckered-dicamba-drift-reminders

    a long half-life in the soil and risk of injury is increased in years with low rainfall. Typical PGR ... chemical makeup and high vapor pressure. Formulation greatly affects the volatility of 2,4-D. Higher ... plant stunting. Soybean tolerance to sublethal rates of these herbicides varies between the different ...

  6. More on Tar Spot: Mid to Late R-Stage Fungicide Application

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-27/more-tar-spot-mid-late-r-stage-fungicide-application

    Most of the corn across the state of Ohio is now between the late-R1 (silking) and late-R3 (milk) ... more likely, a sense of security provided by relatively high grain prices have led to several fields ... additional fields that are now at mid reproductive stages (between late-R2 [kernel blister] and R3 [milk]) of ...

  7. Wheat Harvest Date Reminders

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/wheat-harvest-date-reminders

    bu/acre, and DON level increased by 0.86 ppm. These reductions in yield and test weight and increase in DON ... contamination is generally higher in fields with high levels of wheat scab, it is not uncommon to find above ... excessive rainfall means more time for late-season mold growth, mycotoxin accumulation, test weight ...

  8. Pre-Sidedress Nitrogen Test to Adjust N Rates

    https://agcrops.osu.edu/2022-16/pre-sidedress-nitrogen-test-adjust-n-rates

    on Pre-Sidedress Nitrogen Test (PSNT) results. Soil NO 3-N (ppm) Adjustment to MRTN recommended ... N is 156 lbs. N/acre. A farmer gets a 19 ppm soil nitrate PSNT test back from the lab. Based on Table ... soil nitrate test from the lab. Most labs provide results within 12-24 hours after receiving the ...

  9. Active Soybean Cyst Nematode Management: SCN Root Check

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-25/active-soybean-cyst-nematode-management-scn-root-check

    every 30 to 50 paces), gently remove the soil without breaking the roots (a bucket with water may help ... resistance (shift in virulence). Keeping SCN levels low is easier than bringing high numbers below damage ... TWO soil samples, per grower, to be tested for SCN, free of charge. Don’t forget to share pictures of ...

  10. Weather Update: Mild Conditions for August Continue

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-27/weather-update-mild-conditions-august-continue

    with highs in the upper 70s to mid 80s and overnight lows in the upper 50s to mid 60s. The Weather ... state over the weekend. Low temperatures fell into the upper 40s to low 50s across much of Ohio on ... Saturday morning. Columbus tied for its coolest daytime high of 70°F for August 14. Overall, temperatures ...

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