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  1. 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 ...

  2. A Guide to Corn Growth and Development

    https://ohioline.osu.edu/factsheet/anr-0148

    maturity). Vegetative and reproductive stages of development are determined when 50% or more of the plants ... coleoptile emerges through the soil surface (Figure 2). The root system consists of the radicle (with branch ... roots) and seminal roots. The number of calendar days between planting and emergence varies and is ...

  3. 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; ...

  4. Soil Acidity and Liming for Agronomic Production

    https://ohioline.osu.edu/factsheet/AGF-505-07

    is considered adequate if soil test levels are greater than 50 ppm (100 lb). Hi-cal (calcitic) lime ... ($50 hauling charge/60 acres). Summary In summary, make sure you obtain a soil test, determine if lime ... neutralization to raise the soil pH. High concentrations of hydrogen in soil solution (low soil pH) may cause the ...

  5. 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 ...

  6. 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 ...

  7. Transitioning to Organic Workshop

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-06/transitioning-organic-workshop

    between 10 am and 2:00 pm in the office building at the research station, at 1165 Gonawein Rd, Fremont, ...

  8. Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage

    https://ohioline.osu.edu/factsheet/plpath-cer-04

    steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5ppm) or within a given ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...

  9. 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 ...

  10. 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 ...

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