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  1. 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 ...

  2. 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 ...

  3. 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 ...

  4. NSLC Summer Job Opportunities

    https://ansci.osu.edu/april-1st-2024-march-25th-2024-march-18th-2024-march-11th-2024-march-4th-2024-february-26th-2024

    Tech this summer offers pre-college summer programs for high school students facilitated by ... etc, and enjoy working with high school students! The Veterinary Medicine program at Virginia Tech runs ...

  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. 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. ...

  7. 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 ...

  8. FIRST-TIME Fertilizer Certification Webinar- 3 HOUR

    https://pested.osu.edu/events/first-time-fertilizer-certification-webinar-3-hour

    Soil Sample Collection/Soil Test Report Amanda Douridas Madison Co ANR Educator 10:25 2020 Tri-State ... more than 50 acres of crops grown for sale in Ohio. It is not required for lawn and landscape ...

  9. Tri-State Dairy Nutrition Conference

    https://ansci.osu.edu/april-1st-2024-march-25th-2024-march-18th-2024-march-11th-2024-march-4th-2024-february-26th-2024/tri

    The Tri-State Dairy Nutrition Conference is a collaborative effort between The Ohio State ...

  10. Keep Forage Nitrate Toxicity in Mind This Year

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-25-issue-5/keep-forage-nitrate-toxicity-mind-year

    away. We have had multiple reports of high nitrate levels this year. The first reports of high nitrate ... reports of dangerously high nitrate levels in millet hay with the recently dry weather.  Producers have ... the results. Table 1: Interpretation of nitrate forage test results. ppm NO 3 (DM) Percent NO 3 ppm NO ...

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