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  1. 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 ...

  2. 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 ...

  3. 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 ...

  4. Soil Sampling

    https://extension.osu.edu/node/4487

    Learn More soil testing Gardens, lawns, and agricultural fields all benefit from soil testing ...

  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. Soil Sampling

    https://fulton.osu.edu/program-areas/agriculture-and-natural-resources/soil-sampling

    Need to have the soil tested for your lawn or garden? We've got you covered!  The Fulton ... County OSU Extension Office is able to send soil samples into the lab for a cost of $20 per sample. After ... year.  Collect roughly 2 cups of soil per sample.  Place samples in a ziplock bag or container.  Drop off ...

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

    https://ohioline.osu.edu/factsheet/AC-52

    screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (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. ...

  8. Faculty, staff, and students honored at the 2024 CFAES Research Forum

    https://fabe.osu.edu/news/faculty-staff-and-students-honored-2024-cfaes-research-forum

    Bernstein Analyzing How the Agriculture Microbiome Impacts Soil Carbon Stability under Different Management ... low-level ammonia concentrations at downwind locations of poultry layer production facilities Third Place- ...

  9. Ohio Farm Custom Rates 2016

    https://ohioline.osu.edu/factsheet/aede-11-16

    $11.75 $5.50 $35.00 Soil testing / Acre $5.48 $2.83 $8.13 $5.00 $0.75 $10.50 Grid Soil Sampling / Acre ... Land Leveling / Acre $13.50 $5.64 $21.40 $11.50 $4.00 $30.00 Land Leveling / Hour $75.00 $32.72 $117.28 ...             Dry Bulk / Acre $6.25 $4.01 $8.47 $6.00 $1.50 $20.00 Liquid Knife/ Acre $9.25 $6.36 $12.17 $9.00 $3.00 ...

  10. Ohio Farm Custom Rates 2010

    https://ohioline.osu.edu/factsheet/AEDE-11-10

    Foot of Blade / Hour $6.00 $9.80 $12.50 Soil Testing / Sample $5.60 $9.65 $13.65 Soil Testing / Acre ... survey responses.)   Low Average High Soil Preparation Stalk Chopper / Acre $7.00 $10.10 $13.05 Moldboard ... $2.00 $6.40 $10.80 Grid Soil Sampling / Acre $5.20 $8.10 $11.05 Power Washing / Hour $10.50 $28.75 ...

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