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  1. Understanding How Soil Test Phosphorus Impacts Water Quality

    https://ohioline.osu.edu/factsheet/anr-0111

    Soil test P is one indicator of environmental P loss potential from a field. STP values above 100 ppm ... Tests as Risk Indicators for Leaching of Dissolved Phosphorus from Agricultural Soils in Ontario. Soil ... called eutrophication, results in depleted dissolved oxygen in water bodies. A soil test for P (STP) ...

  2. Nutrient Removal for Field Crops in Ohio

    https://ohioline.osu.edu/factsheet/anr-96

    manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...

  3. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/agf-0515

    determined using field studies to correlate soil test levels to crop yield response. Ohio data was used to ... This framework strives to build soil test levels up to and beyond a critical level, and then maintain ... these levels over time. The critical level is a key component to this framework. Soil test levels above ...

  4. Graduate Exit Seminar- Hengkang Zhao

    https://senr.osu.edu/events/graduate-exit-seminar-hengkang-zhao

    quality index (SQI). Soils were sampled under long-term tillage (no-till, NT vs chisel-till, T) and ... Hall 333C or  via Zoom. Hengkang will present, "Temporal Changes of Soil Physical Properties in ... Relation to Tillage and Drainage." Abstract:  Soil physical properties play a crucial role in ...

  5. Ohio Soil Health Week

    https://senr.osu.edu/events/ohio-soil-health-week

    Ohio Soil Health Week provides a time and space to celebrate, honor, and protect Ohio's ... soils. This weeklong celebration includes outreach, education opportunities, and events to raise ... awareness around  Ohio's most valuable natural resource: our soil. Check out the events planned and ...

  6. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/agf-0514

    suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...

  7. Grapevine Nutrient Management: Petiole Sampling and Analysis

    https://ohioline.osu.edu/factsheet/hyg-1438

    availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...

  8. Controlling Undesirable Trees, Shrubs, and Vines in Your Woodland

    https://ohioline.osu.edu/factsheet/f-0106

    a tree to interrupt the flow of sap between the roots and crown of the tree (Figure 1). The groove must ... 8 inches on very large-diameter trees. When a chainsaw is used to girdle, two horizontal cuts between 2–4 ... effective. Care must be taken when the herbicide is applied to minimize the amount that runs into the soil ...

  9. SENR Announcements, October 11

    https://senr.osu.edu/email/senr-announcements-october-11

    Series>> welcomes Dr. Jeff Buler November 12: EPN Breakfast-  Inaugural Ohio Soil Health Week: Celebrating ... healthy soils for environmental and human health>> November 13: The Ohio Community Wildlife ...

  10. Halloween Softball

    https://ati.osu.edu/october-16-2024/halloween-softball

    Softball! (Costumes are highly encouraged) When – Wednesday October 23 rd Time – 1pm Where – Softball Field ...

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