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  1. 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 ...

  2. Ammonia Emission from Animal Feeding Operations and Its Impacts

    https://ohioline.osu.edu/factsheet/AEX-723.1

    50 ppm, increased levels of keratoconjuctivitis and tracheitis have been observed. These trachea and ... causes high ammonia levels inside animal production buildings, especially in winter months when the ... concentrations. People begin to detect odors at 5–50 ppm. Irritation to mucous surfaces occurs at 100–500 ppm ...

  3. Guidelines for Choosing a Soil Analytical Laboratory

    https://ohioline.osu.edu/factsheet/HYG-1133

    the test results will be of high quality, credible, and meaningful. In addition, any recommendations ... here to aid the grower in evaluating a soil analytical laboratory. Factors to Consider Test Me​thods ... region. This summary, entitled  Recommended Chemical Soil Test Procedures for the North Central Region, ...

  4. Sudden Death Syndrome (SDS) Or Brown Stem Rot (BSR)? That is the question!

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-30/sudden-death-syndrome-sds-or-brown-stem-rot-bsr-question

    Moreover, fields with severe SDS symptoms can also have high levels of soybean cyst nematode (SCN). WATCH ...

  5. The Learning Lab is Ready to Help You!

    https://woostercampuslife.cfaes.ohio-state.edu/september-26-oct-2-2022-september-19-25-2022/learning-lab-ready-help-you

    nineteen years old and a 2021 graduate from Claymont High School! I live in a small town in Tuscarawas ... County, called Uhrichsville. I was highly involved in the swine show industry at my county fair and in The ...

  6. Feeding Horses

    https://ohioline.osu.edu/factsheet/anr-6

    (from forage analysis) 1.07 15.4 0.94 0.41 Pelleted Grain (from feed tag) 1.50 12.0 0.75 0.85 ... we need to substitute grain for hay to raise the energy. 1.50 Mcal/lb DE of grain – 1.07 Mcal/lb DE ... source of sulfur. Excessively high levels of sulfur depress copper absorption. Sulfur is also found in ...

  7. Soil Sampling to Develop Nutrient Recommendations

    https://ohioline.osu.edu/factsheet/AGF-513

    over the entire field, changes in soil test levels in two areas over a 10-year period are shown. Table ... 1 ppm 20 8 2 20 8 2 20 8 2 Expected ppm change in soil test over 10 years 3 0 0 +5 +10-6-11 1 Crop ... to change soil test 1 ppm is 6–10 depending on cation exchange capacity. 3 Example calculation: ...

  8. Effects of Lime and Gypsum Application on Vegetable Yields and Nutrient Availability in Muck Soil

    https://ohioline.osu.edu/factsheet/anr-0102

    to keep organic soils at a target pH of 5.3 to minimize the risk of micronutrient deficiencies ... state that the optimal pH range of muck soils should be between 5.3 and 5.8, depending on the crop ... The application of lime had no effect on soil test phosphorus (P) or potassium (K) values, but the ...

  9. Assessing yield-limiting factors in corn, when do yield components develop?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-31/assessing-yield-limiting-factors-corn-when-do-yield-components

    each. Each row can have up to 50 to 55 viable ovules (potential kernels). Plants with a low number of ... aborted kernels suggest stress during the VT/R1 to R2 growth stage. 4. Kernel weight (or so-called test ...

  10. 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 ...

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