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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. Annual Bluegrass Weevil

    https://ohioline.osu.edu/factsheet/ent-0095

    overwinter in grass near tree lines, in leaf litter, moss, high-cut grass, and pine litter. In spring, they ... plant’s crown. The last (fifth) instar larvae pupate near the soil surface and then emerge as adults, ... Larvae start to appear in the soil during the full bloom of Catawba rhododendron hybrid. However, the ...

  3. Drones for Spraying Pesticides—Opportunities and Challenges

    https://ohioline.osu.edu/factsheet/fabe-540

    likely to cause a significant level of soil compaction resulting in reduced crop yield. Spot spraying, ... increasing interest in drone spraying and the high level of public demand for relaxation of current rules and ... data points: soil characteristics (type, moisture content, and nutrient content) location of drainage ...

  4. Court bans spray used on soybean, cotton crops

    https://wayne.osu.edu/news/court-bans-spray-used-soybean-cotton-crops

    I was driving to work last week and noticed that there were a high number of skunks that had ... soil-applied preemergence residual will be critical for Xtend beans planted in fields where you suspect ...

  5. 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 ...

  6. Zinc Application to Wheat – Is it Needed?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-37/zinc-application-wheat-%E2%80%93-it-needed

    and soils with low soil test Zn level, not wheat.  Keep in mind, field crops in Ohio have a very ... soils with low organic matter could be deficient in Zn. Some studies also show that the high level of ... phosphorus may cause Zn deficiency, especially when Zn soil test levels are in low range. Crop type: Wheat is ...

  7. John Yost Joins Our Team and Toxic Levels of Hay Nitrates

    https://wayne.osu.edu/news/john-yost-joins-our-team-and-toxic-levels-hay-nitrates

    feed, and levels between 1000 and 2100 ppm should be safe for non-pregnant livestock.  Nitrate levels of ... indicate that nitrate levels in some stands, are approaching a range of 1700 ppm which is acutely toxic to ... flash graze pastures to keep the animals from grazing too close to the soil level and delaying harvest ...

  8. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  9. Faculty and Projects Summer 2024

    https://grad.cfaes.ohio-state.edu/future-students/opportunities-undergraduates/summer-research-experiences/faculty-and-projects-summer

    agricultural sustainability. Potential Summer Research Projects: Exploring connections between soil health and ... how do plants, animals & soil interact. She especially enjoys the complexity an animal brings to ... resilience of Ohio farms Greenhouse gas emissions from flood-prone grazed pastures Finding economic and soil ...

  10. Dicamba registration vacated

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/dicamba-registration-vacated

    control weeds, the use of effective soil-applied preemergence residual products will be especially ...

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