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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. 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  ...

  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. Soil PH and Lime Recommendations

    https://agcrops.osu.edu/node/3483

    soil nutrients. Soil testing regularly and applying lime to maintain recommended pH levels should be ... Corn, Soybeans, Wheat, and Alfalfa Executive Summary   |   Soil Sampling, Handling, and Testing   | ...

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

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

    Default soil test P and K levels now based on Mehlich-3. These recommendations are consistent with current ... soil test extracts. Details P critical level 20 ppm for corn and soybean, 30 ppm for wheat and alfalfa ... Wheat, and Alfalfa Executive Summary   |   Soil Sampling, Handling, and Testing   |   Soil pH and Lime ...

  7. 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 ...

  8. Wildlife Topic of Virtual Evening Garden Affair

    https://hardin.osu.edu/events/wildlife-topic-virtual-evening-garden-affair

    – The Hardin County Men’s Garden Club with the assistance of the Hardin County Master Gardeners are ... hosting “An Evening Garden Affair” on Monday evening June 22.  The event is from 7 to 8:30 pm and will ... garden.  Since the pandemic has prevented face to face programs, this Zoom virtual event will be available ...

  9. Mahoning County Completes Virtual Project Judging

    https://mahoning.osu.edu/news/mahoning-county-completes-virtual-project-judging

    leadership. gardening, woodworking, scrapbooking and so many more projects. Judges, who are community members ... about their projects to test the knowledge they gained by completing the project. On Wednesday evening ...

  10. Nitrogen

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

    as weather, soil type, pre-side-dress N tests, management history, and previous performance to help ... Sampling, Handling, and Testing  |   Soil pH and Lime Recommendations  |  Nitrogen  |   Phosphorus and ...

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