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

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

    What has changed? Why the change? Soil Sampling Sample every 3 to 4 years in a consistent way as the foundation for an adaptive nutrient management program. No changes. Details Soil pH and Lime Recommendations Michigan and Indiana liming recommendations a ...

  2. Soil PH and Lime Recommendations

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

    Soil pH is one of the most important properties in determining the cycling and availability of soil nutrients. Soil testing regularly and applying lime to maintain recommended pH levels should be the first step growers take to assure crops have sufficient ...

  3. 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, 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 stan ...

  4. Micronutrients

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

    Micronutrients are essential plant nutrients that are found in trace amounts in tissue but play a vital role in plant growth and development. Of the 17 elements essential for plant growth, eight are micronutrients: boron (B), chlorine (CI), copper (Cu), i ...

  5. 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 on a build-up and maintenance approach. This framework strives to build soil test levels up to and beyond a critical level, then maintain these levels over t ...

  6. Potassium Fertilizer Recommendations

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

    Quick reference tables, rounded to the nearest 5 pounds, are provided for corn, soybean, wheat, 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 ...

  7. Phosphorus Fertilizer Recommendations

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

    Quick reference tables, rounded to the nearest 5 pounds, are provided for corn, soybean, wheat, corn silage, and alfalfa for phosphorus. Note the equations and quick tables provide recommendations for pounds of P 2 O 5 per acre, not pounds of fertilizer p ...

  8. Drought Conditions Expand but Some Relief Ensues

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

    As of the Thursday July 30, 2020 release of the U.S. Drought Monitor, 37% of the state is covered by D1- moderate drought conditions (Figure 1). Hot and mostly dry conditions continued through much of June and July, with only scattered areas of heavy rain ...

  9. Ten Counties on WBC Scout List as Statewide Numbers Begin to Decrease

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-25/ten-counties-wbc-scout-list-statewide-numbers-begin-decrease

    Western bean cutworm (WBC) trap counts for the week of July 27 – August 2 show a downward trend in the majority of monitoring counties. Despite the overall decrease in WBC numbers, ten counties are currently at the threshold (an average of 7 or more) indi ...

  10. 2020-25

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-25

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