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  1. Crop Response to Potassium Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/crop-response-potassium-fertilizer-ohio

    of yield penalty with no K application decreases as soil K levels go above 100 ppm. If the soil test ... (2023) classified Mehlich-3 soil K levels into <70, 70-100, 100-130, 130-160, and >160 ppm to ... yield, the higher the yield increase from K fertilizer.   Generally, as the soil test K levels decreased, ...

  2. Crop Response to Phosphorus Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/crop-response-phosphorus-fertilizer-ohio

    soil P levels go above 20 ppm. If the soil test P level is less than 20 ppm, there is an increased risk ... less than 10 ppm, the median relative yield was 87%. As the soil test P level increased above the ... the Mehlich-3 soil test P level. The Mehlich-3 soil P measures the readily available soil P for crop ...

  3. 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 ...

  4. OSU Deoxynivalenol, DON, Resistance Screening Program-2024

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-06/osu-deoxynivalenol-don-resistance-screening-program-2024

    and consistently lower DON levels are easier to keep low than those that were highly susceptible. ... temperatures between 59 ° F and 86 ° F.   Table 1 below summarizes the DON ppm as an average across locations ... lowest average DON level. The variability among some of the hybrids with high DON levels led to high ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. Ohio Farm Custom Rates 2014

    https://ohioline.osu.edu/factsheet/AEDE-11-14

    8.00 22.00 Land Leveling / Hour 68.35 25.82 $42.50 $94.15 75.00 25.00 100.00 Sub-soiling / Acre 20.20 ... $10.28 $8.00 $28.55 $17.00 $7.50 $32.50 Soil Testing / Acre $5.55 $1.87 $3.65 $7.40 $5.00 $4.00 $10.00 ... $23.45 17.50 15.00 25.00 Soil Finishing / Acre 14.85 4.13 $10.70 $19.00 14.00 10.00 26.00 Field ...

  9. Agricultural Land Lost to Development

    https://aede.osu.edu/news/agricultural-land-lost-development

    between 2001 and 2021.  The NLCD defines several categories for developed land – high, medium, and low ... land in farms declined by 6.4% between 2002 and 2022.  One number that is concerning to agricultural ... Statistical Areas had among the largest percentages of agricultural land loss to development (as high as 93% ...

  10. Hobby Maple Syrup Production

    https://ohioline.osu.edu/factsheet/f-36

    the heat get too high), and keep at least 1½ inches of liquid in the pan. The risk of scorching ... The density can test between 66°Brix (66 percent solids) and 68°Brix. Less than 66°Brix and it is not ... area between Minnesota in the west, Kentucky in the south and the eastern Canadian providences in the ...

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