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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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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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 ...
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Ohio Farm Custom Rates 2012
https://ohioline.osu.edu/factsheet/AEDE-11-12
$6.80 Soil Testing / Sample $10.00 $11.70 $9.50 Grid Soil Sampling / Acre $8.00 $13.00 $3.00 Machinery ... (farmdoc.illinois.edu/manage/index.asp) Estimating Farm Machinery Costs (extension.iastate.edu/agdm/crops/html/a3-29.html) Average High ... relationships between the parties or due to the fact that custom providers may see an increased probability of ...