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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. A Potential Break from the Spooky-Dry Weather

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-38/potential-break-spooky-dry-weather

    and soil moisture recovery for the area. Climate averages include a high-temperature range of 56-60°F, ... week, followed by an increasing chance of Halloween rain and a weekend cool down. High pressure will ... remain in control through Wednesday, with strong southerly wind gusts and high temperatures running in ...

  4. Black Soybean in Ohio: Addressing Stem, Pod, and Seed Decay

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-38/black-soybean-ohio-addressing-stem-pod-and-seed-decay

    seedlings. Implement crop rotation with non-host plants to reduce soil-borne pathogen levels and lower future ... labs before plant senescence. Early testing is crucial, as post-maturity colonization by saprophytic ... outbreak risks. Integrate pest management (IPM) strategies to control pests like bean leaf beetles and ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. 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 ...

  9. Revised Ohio Agronomy Guide Available

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-38/revised-ohio-agronomy-guide-available

    normal and trends to include the most recent 30-year period Revised soil fertility recommendations Double ...

  10. Fall Forage Management

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-26/fall-forage-management

    K 2 O. The recommended soil test ranges for phosphorus and potassium are 30 to 50 ppm and 120 to 170 ppm ... a high level of precision between sampling years so that you can accurately track your progress. Whether ... growth in the spring. We have to begin any soil discussion with a reminder to soil test. As you implement ...

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