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  1. Biochar

    https://agcrops.osu.edu/farm-science-review/osu-agronomic-crops-plots/biochar

    Biochar is a soil amendment that may help improve soil quality and reduce greenhouse gas emission. ...

  2. Ohio Long-Term Phosphorus and Potassium Fertilizer Trials: Grain Yields

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-20/ohio-long-term-phosphorus-and-potassium-fertilizer-trials-grain

    the study in 2006, soil test phosphorus levels were within or above the maintenance range (15–30 ppm ... Likewise in 2006, soil test potassium levels were within or above the maintenance range (100–155 ppm ... for soil test phosphorus and potassium values are still relevant at these three sites, although some ...

  3. We are still very early, but if crop stands are a concern…

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-13/we-are-still-very-early-if-crop-stands-are-concern%E2%80%A6

    expected following accumulation of 150 soil GDDs (base of 50°F) from planting, about 5-7 days under normal ... temperatures, adequate soil moisture conditions): For corn, past work has shown that 50% emergence can be ... We are still early, but if you planted in April or the first few days of May, soil conditions have ...

  4. Battle for the Belt: Episode 28

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-32/battle-belt-episode-28

    in the trial at all three locations with day of planting, soil, air temperature averages, and Growing ...

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

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

    soil test extracts. Details P critical level 20 ppm for corn and soybean, 30 ppm for wheat and alfalfa ... Default soil test P and K levels now based on Mehlich-3. These recommendations are consistent with current ... 100 ppm for sandy soils, 120 ppm silt and clay soils (Mehlich-3 K, all crops). This update is based on ...

  6. Plant Forage Stands as Soon as Feasible

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-10/plant-forage-stands-soon-feasible

    test levels are not present, or you don’t even have a recent soil test, we recommend making corrective ... Soil phosphorus should be at least 20 ppm for grasses and 30 ppm for legumes, while minimum soil ... potassium should be 100 ppm for sandy soils less than 5 CEC or 120 ppm on all other soils. If these soil ...

  7. Battle for the Belt: Episode 25

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-29/battle-belt-episode-25

    planting dates, however most hybrids have between 5% and 10% severity for Gray Leaf Spot as well. At this ... observed at this site is lodging (aka goosenecking) after high-speed winds several days ago. On the other ...

  8. Join OABA and OSU Extension for the 4R Technology Review Field Day on September 6

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-29/join-oaba-and-osu-extension-4r-technology-review-field-day

    management, precision agriculture, and soil health. This is a great opportunity to learn about the latest ... The Ohio State University Immediate and Significant ROI from Soil Sampling Accuracy and Accountability ...

  9. BEST MANAGEMENT PRACTICES TO KEEP PHOSPHORUS ON THE FIELD

    https://agcrops.osu.edu/newsletter/corn-newsletter/2014-28/best-management-practices-keep-phosphorus-field

    Where soil test levels are above 40 ppm Bray P1 or 58 ppm Mehlich III-ICP, do not apply additional ... phosphorus in the corn-soybean rotation. These soil test levels require no additional fertilizer, according ... to the Tri-State Fertilizer recommendations. Fertilizing soils testing above these levels increases ...

  10. Wheat Harvest Date Reminders

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/wheat-harvest-date-reminders

    bu/acre, and DON level increased by 0.86 ppm. These reductions in yield and test weight and increase in DON ... contamination is generally higher in fields with high levels of wheat scab, it is not uncommon to find above ... excessive rainfall means more time for late-season mold growth, mycotoxin accumulation, test weight ...

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