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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. Tri-State Fertilizer Recommendations for Corn, Soybeans, Wheat, and Alfalfa

    https://agcrops.osu.edu/FertilityResources/tri-state_info

    committed agricultural professionals with the ultimate goal of providing objective and scientifically vetted ... and Agriculture, the Corn Marketing Program of Michigan, the Michigan Wheat Program, Michigan State ... University Project GREEEN, Michigan AgBioResearch, the Michigan State University’s College of Agriculture and ...

  4. 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  ...

  5. 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 ...

  6. Nitrogen

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

    as weather, soil type, pre-side-dress N tests, management history, and previous performance to help ... production levels but N rates for greater price ratios may result in a greater economic return to the grower. ... Sampling, Handling, and Testing  |   Soil pH and Lime Recommendations  |  Nitrogen  |   Phosphorus and ...

  7. Stalk Rots Showing Up in Some Corn Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-36/stalk-rots-showing-some-corn-fields

    "squeeze test" to assess potential lodging. The "push" test is another way to predict ... slowdown the harvest operation. In addition, lodging may lead to ear rots and grain contamination with ...

  8. Join us for Farm Science Virtual Review, September 22-24, 2020

    https://lucas.osu.edu/news/join-us-farm-science-virtual-review-september-22-24-2020

    Science Review that are helpful to teachers, students, gardeners, and others who are interested in ... resources, the Utzinger Memorial Garden is staffed by Master Gardener Volunteers, Ohio AgrAbility’s shares ... about farming, gardening, and shed design through the lifespan and 4-H highlights Science and Technology ...

  9. Free Seed Giveaway to Promote Ohio Victory Gardens this Fall

    https://lucas.osu.edu/events/free-seed-giveaway-promote-ohio-victory-gardens-fall-2

    ODA and OSU Extension Kick Off Ohio Victory Gardens Program Free Seed Packets Will Be Available ... and get growing! Join the Ohio Department of Agriculture (ODA) and Ohio State University Extension as ... we encourage Ohioans to create their own Victory Gardens. Victory Gardens originated during World War ...

  10. Free Seed Giveaway to Promote Ohio Victory Gardens this Fall

    https://lucas.osu.edu/events/free-seed-giveaway-promote-ohio-victory-gardens-fall-1

    ODA and OSU Extension Kick Off Ohio Victory Gardens Program Free Seed Packets Will Be Available ... and get growing! Join the Ohio Department of Agriculture (ODA) and Ohio State University Extension as ... we encourage Ohioans to create their own Victory Gardens. Victory Gardens originated during World War ...

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