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  1. Crop Response to Potassium Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/crop-response-potassium-fertilizer-ohio

    of yield penalty with no K application decreases as soil K levels go above 100 ppm. If the soil test ... (2023) classified Mehlich-3 soil K levels into <70, 70-100, 100-130, 130-160, and >160 ppm to ... yield, the higher the yield increase from K fertilizer.   Generally, as the soil test K levels decreased, ...

  2. Crop Response to Phosphorus Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/crop-response-phosphorus-fertilizer-ohio

    soil P levels go above 20 ppm. If the soil test P level is less than 20 ppm, there is an increased risk ... less than 10 ppm, the median relative yield was 87%. As the soil test P level increased above the ... the Mehlich-3 soil test P level. The Mehlich-3 soil P measures the readily available soil P for crop ...

  3. Potassium Uptake and Ohio Crop Response

    https://ohioline.osu.edu/factsheet/anr-0147

    a measure of the risk of yield loss at a given soil-test K level without fertilizer applied during the ... total K content of Ohio soils is between 12,500 ppm and 30,500 ppm (Ames & Gaither, 1913). Even ... yield. For loams and clays, this would be 170 ppm; for sandy soils, it is 130 ppm. The range of soil test ...

  4. Soil Phosphorus and Crop Response to Phosphorus Fertilizer in Ohio

    https://ohioline.osu.edu/factsheet/anr-0146

    responding to applied P can best be predicted by soil-test P levels. Recently, Culman et al. (2023) published ... 29.9% of trials, soybean in 14.2% of trials, and wheat in 36.8% trials. Critical soil test levels ranged ... Furthermore, the risk of yield loss with no P application decreased as the soil P level increased. As per the ...

  5. Forage Testing for Beef Cattle

    https://ohioline.osu.edu/factsheet/anr-0149

    0.12% Mg. High soil potassium levels are associated with increased incidence of grass tetany. The ratio ... (ppm). If the forage contains a high level of molybdenum (2 ppm) or sulfur at 0.25%, Cu could be ... samples are low in Zn. The recommended levels for zinc are between 30 and 1,000 parts per million (ppm ...

  6. Opportunities for Sub-surface Nutrient Placement in Ohio

    https://ohioline.osu.edu/factsheet/fabe-56401

    horsepower requirements, the level of tillage and soil disruption, depth of fertilizer placement, and ... while leaving the soil between these strips undisturbed. When the strip-till unit is equipped with ... leaving residue on the soil surface between the strips. Quicker spring soil warm-up compared to no-till ...

  7. Blacklegged (Deer) Tick, Ixodes scapularis

    https://ohioline.osu.edu/factsheet/ent-0096

    considered a statewide risk, though abundance may vary greatly across different habitats. Life Cycle, ... with high leaf-litter coverage, but may also include your own backyard, especially shaded areas of ... odh.ohio.gov/know-our-programs/zoonotic-disease-program/diseases/tickborne-diseases Lyme Disease, Centers for Disease Control and Prevention (CDC)— cdc.gov/lyme/index ...

  8. Ohio’s Premier Ag Conference March 12-13 in Ada

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-05/ohio%E2%80%99s-premier-ag-conference-march-12-13-ada

    Sixty outstanding presenters with topics on agronomic crops, soil health, nutrient management, ... sessions include Soil Health, Cover Crops and No-till; Nutrient Management; Agronomic Crop Management; and ... about 4:30 p.m. Sessions will include: Soil Health, Cover Crops and No-till; Agronomic Crop Management; ...

  9. Spring Gardening Basics Class

    https://franklin.osu.edu/events/spring-gardening-basics-class

    do we need to start indoors under lights for transplanting?  What about soil testing? What can we do ...

  10. Statewide and Region Phosphorus Nutrient Use in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-02/statewide-and-region-phosphorus-nutrient-use-ohio

    trends in mean soil test P (STP) levels between 1993 and 2015. Since 2003, Ohio's P 2 O 5 removal ... P recommendations from 1995 to today, review changes in soil test phosphorus (STP), and identify the sources of ... declines in Soil Test P. Soil test P is one factor that can mitigate chronic P loss at the edge of a field. ...

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