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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. Calcium, Magnesium, and Sulfur

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

    but less likely to be added as fertilizer as N, P or K. Most soils in Indiana, Michigan, and Ohio ... 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 ...

  3. Potassium Fertilizer Recommendations

    https://agcrops.osu.edu/node/3480

    corn silage, and alfalfa for potassium below. Potassium recommendations differ for sandy soil (CEC ... <5 meq/100g) and loam and clay soils (CEC >6 meq/ 100g). The tables use CECs of 5 meq/100g or less ... for sandy soils and 15 meq/100g for loam and clay soils. For Michigan, subtract 20 lb K 2 O/ acre from ...

  4. NRCS Seeks Comments on 590 Nutrient Management Standard Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-25/nrcs-seeks-comments-590-nutrient-management-standard-update

    need to both protect Ohio’s water resources and agricultural industry, and the need to develop ... the 4R approach as the basis to draw down high Phosphorus soils over time. The revised standard will ... newly revised Tri State Fertility Guide and are converted to the now standard Melich III soil test ...

  5. Phosphorus Fertilizer Recommendations

    https://agcrops.osu.edu/node/3479

    for Corn, Soybeans, Wheat, and Alfalfa Executive Summary   |   Soil Sampling, Handling, and Testing ...   |   Soil pH and Lime Recommendations   |   Nitrogen   |   Phosphorus and Potassium   |   Calcium, ...

  6. Late-Season Waterhemp- The Goal is Stopping Seed

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-26/late-season-waterhemp-goal-stopping-seed

    soil line, remove plants from the field, and burn or compost or bury deep enough.  Plants left in the ...

  7. Oats as a Late Summer Forage Crop

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-22-issue-4/oats-late-summer-forage-crop

    contribute to significant soil in the harvested crop, leading to higher ash content in the feed.  If weeds ... Jason Hartschuh, Extension Agriculture and Natural Resources Educator, Crawford County; Al Gahler, ... Extension Agriculture and Natural Resources Educator, Sandusky County; and Dr. Bill Weiss, Professor and ...

  8. Late Summer Establishment of Perennial Forages

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-22-issue-4/late-summer-establishment-perennial-forages

    Science and Mr.  Rory Lewandowski, Agriculture and Natural Resources Extension Educator, Wayne County, The ... given the low soil moisture status across many areas. The decision to plant or not will have to be made ... for each individual field, considering soil moisture and the rain forecast. Rainfall/soil moisture in ...

  9. Drought Conditions Expand but Some Relief Ensues

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-25/drought-conditions-expand-some-relief-ensues

    soil moisture and lowered stream flows. If you are seeing drought impacts in your area, consider ...

  10. GAPs Training Webinar

    https://producesafety.osu.edu/events/gaps-training-webinar-0

    This is a 3-hour educational course that covers good agricultural practices or ...

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