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  1. P & K Fertility Decision with Tight Margins

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-35/p-k-fertility-decision-tight-margins

    were above 20 ppm P (Rakkar and LaBarge, 2024). When P is not applied, how much a soil test P level ... K fertilizer in 95-98% of trials when soil test K was above 130 ppm, indicating a low risk of yield penalty. ... yield increases were about 4%. It is when soil K levels were below 100 ppm that about 40-50% of trials ...

  2. Forage Nitrate Toxicity a Major Concern as Drought Worsens

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-29/forage-nitrate-toxicity-major-concern-drought-worsens

    drought-stressed corn can be at risk of high nitrate levels the greatest risk is in corn that was not ... conditions can cause unforeseen challenges with forages. We have had multiple reports of high nitrate levels ... the results. Table 1: Interpretation of nitrate forage test results. ppm NO 3 (DM) Percent NO 3 ppm NO ...

  3. Drought to Frost: Feeding Safe Forages

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-35/drought-frost-feeding-safe-forages

    of nitrogen fertilization or manure history and in soils that have high nitrogen to low phosphorus ... imbalance. Be sure to make fertilization decisions based on regular soil tests. Plant maturity The ... increase the risk of prussic acid poisoning, nitrate poisoning, and increased bloat in multiple methods of ...

  4. Celebrate National Nematode Day and Collect a Soil Sample for SCN Testing

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-34/celebrate-national-nematode-day-and-collect-soil-sample-scn

    soil testing this autumn. Free SCN Soil Testing With funding from the Ohio Soybean Council and in ... pH, and the SCN female index on PI88788. This calculator underscores the critical need for autumn soil ... testing. As the season progresses, we encourage growers to take soil samples for SCN analysis. Wishing you ...

  5. Risk of Corn Grain Contamination with Vomitoxin in Ohio in 2024: Projection for the Weeks of July 21 and 29

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-24/risk-corn-grain-contamination-vomitoxin-ohio-2024-projection

    growth stage between July 21 and August 4 are at high risk of being contaminated with at least 1 ppm ... As more data are collected, models will be developed to predict the risk of higher levels of ... contamination (2 ppm, 5 ppm, etc etc). More information on vomitoxin risk assessment and management in corn can ...

  6. Understanding Agroecosystem Tradeoffs in a Changing Climate Webinar

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-35/understanding-agroecosystem-tradeoffs-changing-climate-webinar

    production scenarios on soil and water outcomes. Join us for an insightful webinar, Understanding ...

  7. Carol Smathers

    https://extension.osu.edu/about/field-specialists/carol-smathers

    program coordinator, Children, Youth, and Families at Risk (CYFAR) project based in Ohio 4-H; high school ...

  8. Jason Hartschuh

    https://extension.osu.edu/about/field-specialists/jason-hartschuh

    between livestock nutritionists and agronomists to help produce high-quality, low-cost feeds Academic ...

  9. Risk of Corn Grain Contamination with Vomitoxin in Ohio in 2024: A July 15th Projection

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-23/risk-corn-grain-contamination-vomitoxin-ohio-2024-july-15th

    stage between July 13 and July 19 are at high risk of being contaminated with at least 1 ppm DON. ... is to scout fields that pollinate during high-risk times for GER and plan to harvest those fields ... As more data are collected, models will be developed to predict the risk of higher levels of ...

  10. Cover Crop Considerations in the Dry Ohio Conditions

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-33/cover-crop-considerations-dry-ohio-conditions

    cover crop residue can serve as a protective barrier between soil and the elements. Cover crops can ... species in Ohio and across the Midwest. It is among the most drought-hardy and generates high levels of ... increase the risk of herbicide persistence in the soil, especially in dry conditions. Doing a bioassay ...

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