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  1. Phosphorus and Potassium

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

    on a build-up and maintenance approach. This framework strives to build soil test levels up to and ... three distinct recommendations based on soil test values: 1) build-up, 2) maintenance, and 3) drawdown. ... fertilizer to build soil test levels) if soils test below the critical level or are “deficient.” The ...

  2. Micronutrients

    https://agcrops.osu.edu/node/3476

    Both soil testing and plant analysis are useful in diagnosing micronutrient deficiencies. Relative to ... soil pH, micronutrient soil tests are not as reliable and so plant analysis can play an important role ... to complement a soil test. Combining plant analysis with soil tests provides more accurate assessment ...

  3. Lepper Library Gardening Lesson with OSU Extension- Container Gardening

    https://mahoning.osu.edu/events/lepper-library-gardening-lesson-osu-extension-container-gardening

    Join Stephanie Barkay, Mahoning County Master Gardener, as she teaches us all about Container ... Gardening! Contact the Lepper Library at 330-424-3117 to register!  Until OSU Extension Mahoning County can ...

  4. Calcium, Magnesium, and Sulfur

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

    adequately supply these nutrients for plant growth. A standard soil test measures the relative availability ... of Ca and Mg in soils. There is no accurate soil test for S at this time. A plant analysis is the ... K recommendations for alfalfa and corn silage do not follow the maintenance concept above the critical K soil test ...

  5. Executive Summary

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

    cations. Mehlich-3 P returns approximately 35% higher soil test phosphorous (STP) values than Bray P1. ... Mehlich-3 K returns approximately 14% higher soil test potassium (STK) ammonium acetate, as discussed in the ... fact sheet Converting Between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values. See  ...

  6. Miami Valley

    https://pested.osu.edu/Recert/miamivalley

    Pesticide Recertification & Agricultural Fertilizer Recertification NEWS: Please contact your ... 513-695-1311   Click here for 3-hour Agricultural Fertilizer Certification Meetings       ...

  7. Western Reserve

    https://pested.osu.edu/Recert/westernreserve

    Pesticide Recertification & Agricultural Fertilizer Recertification NEWS: Please contact your ... (Educator: Lee Beers)- 330-638-6783       Click here  for 3-hour Agricultural Fertilizer Certification ...

  8. Buckeye Hills

    https://pested.osu.edu/Recert/buckeyehills

    Pesticide Recertification & Agricultural Fertilizer Applicator Recertification Buckeye Hills ...     Click here for 3-hour Agricultural Fertilizer Certification Meetings     ...

  9. Ohio Valley

    https://pested.osu.edu/Recert/ohiovalley

    Pesticide Recertification & Agricultural Fertilizer Recertification Ohio Valley (South Central ... (Educator: Jess Bowen)- 740-596-5212 Click here for 3-hour Agricultural Fertilizer Certification Meetings   ...

  10. Heart of Ohio

    https://pested.osu.edu/Recert/heartofohio

    Pesticide and Agricultural Fertilizer Recertification Heart of Ohio (Central Ohio) Private ... Estadt)- 740-474-7534   Click here for 3-hour Agricultural Fertilizer Certification Meetings   ...

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