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  1. Quick Reference Guide to Tri-State Fertilizer Recommendation Changes

    https://agcrops.osu.edu/node/3488

    Recommendations Michigan and Indiana liming recommendations are consistent, Ohio recommendations are different. ... N recommendations are now based on economic model to maximize profitability. Fluctuating grain and fertilizer prices ... are calibrated with recent field trials with modern varieties. Details Phosphorus and Potassium ...

  2. Nitrogen

    https://agcrops.osu.edu/node/3482

    the ease of use across each state, but farmers are encouraged to use other available information such ... to the environment. Nitrogen Timing There are inherent tradeoffs and risks with timing of ... ammonia. Urea-containing fertilizers should be incorporated into the soil when temperatures are warm but ...

  3. Capstone Course: Problem-Based Studies in Plant Health

    https://plantpath.osu.edu/courses/plntpth-5604

    They will gather diverse information from consultants, synthesize novel solutions, and develop ...

  4. Exploring Polar Science

    https://extensionpubs.osu.edu/exploring-polar-science/

    Where do penguins live? Is the Arctic really ALL ice? Take a close look at the Arctic and ...

  5. Calcium, Magnesium, and Sulfur

    https://agcrops.osu.edu/node/3477

    Calcium (Ca), magnesium (Mg), and sulfur (S) are the three secondary nutrients required by plants, ... level. Potassium recommendations above the critical level are less than crop removal so as to discourage ... rotating out of alfalfa to have depleted soil test K levels. Sulfur removal rates are listed in Table 29. ...

  6. Phosphorus and Potassium

    https://agcrops.osu.edu/node/3478

    Build-up and Maintenance Framework The tri-state fertilizer recommendations for P and K are based ... eliminating the drawdown phase. These changes are intended to simplify recommendations and provide farmers ... fertilizer to build soil test levels) if soils test below the critical level or are “deficient.” The ...

  7. Executive Summary

    https://agcrops.osu.edu/node/3486

    Nitrogen rate recommendations for corn are based on an economic model designed to maximize farmer ... go.osu.edu/mehlich. Critical levels for all crops are largely consistent with the original recommendations, except for ... alfalfa were not evaluated, but are assumed to be consistent and remain unchanged from the original ...

  8. Fall-Applied Herbicides: Odds and Ends

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-37/fall-applied-herbicides-odds-and-ends

    winter annuals ”, Powerpoint file (so you don’t have to watch the video) For more information feel free ... herbicides at planting may also be subject to infestation with winter annuals and dandelion.  There are ...

  9. Interim Director's Video Update

    https://extension.osu.edu/events/interim-directors-video-update

    https://osu.zoom.us/webinar/register/WN_M9DVR2e-QjyKWFGb2feZPg After registering, you will receive a confirmation email with log-in information to join the ... webinar on Nov 6. You may need to log into Zoom first, then click on the individualized link in your ... those who cannot join us for the live presentation. If you have a disability and have questions about ...

  10. Ohio Certified Crop Adviser Pre-Exam Training

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-37/ohio-certified-crop-adviser-pre-exam-training

    material for the program will be shipped to you registrants in advance of the class. Publications provided: ... International Exams will be given on-line in 2021 anytime you choose between February 3 rd and the 10 th, and ... again in early August. You can even take the local on one day and the international on a different day. ...

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