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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 ...
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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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Fall Forage Management
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-4/fall-forage-management
K 2 O. The recommended soil test ranges for phosphorus and potassium are 30 to 50 ppm and 120 to 170 ppm ... a high level of precision between sampling years so that you can accurately track your progress. Whether ... growth in the spring. We have to begin any soil discussion with a reminder to soil test. As you implement ...
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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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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 ...
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Understanding How Soil Test Phosphorus Impacts Water Quality
https://ohioline.osu.edu/factsheet/anr-0111
Soil test P is one indicator of environmental P loss potential from a field. STP values above 100 ppm ... Tests as Risk Indicators for Leaching of Dissolved Phosphorus from Agricultural Soils in Ontario. Soil ... called eutrophication, results in depleted dissolved oxygen in water bodies. A soil test for P (STP) ...
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Grapevine Nutrient Management: Petiole Sampling and Analysis
https://ohioline.osu.edu/factsheet/hyg-1438
availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...
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Economic Impact of Intel’s Investment in Ohio: Lessons from Chandler, Arizona
https://ohioline.osu.edu/factsheet/cdfs-4117
benefits to high-skilled workers and homeowners versus low-skilled workers and renters can better prepare ... that can play a role in planning for a successful collaboration between Intel and the Columbus ... represents more than just the arrival of a major corporation; it signifies a collaborative effort between the ...
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Food Kindness Event Planned — Sept. 11
the RPAC (337 Annie and John Glenn Avenue). Helpers have a choice between the two sessions: Session ...
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Production of Specialty Small Grains in Ohio
https://ohioline.osu.edu/factsheet/anr-0154
maintain soil test levels appropriate for winter wheat production. Table 2 (click to download PDF). ... For example, hard red winter wheat should have a medium to high protein content of 10% to 13% (U.S. ... States, wheat is divided into six classes based on bran color (red or white), protein content (hard = high ...