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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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Nutrient Management of Forage Crops Intended for Hay
https://ohioline.osu.edu/factsheet/anr-0109
is to maintain soil test P and K between the “critical level” (minimum) and “maintenance limit” ... level before planting. The estimated amount of P 2 O 5 required to raise a soil test 1 PPM is 20 pounds ... For example, if a soil test is 100 PPM and the goal is to increase the soil test to a critical level ...
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Elderberry Production in Ohio
https://ohioline.osu.edu/factsheet/anr-0110
Ensure ideal soil condition and fertility. Ideal nutrient conditions are a pH level of 5.5–6.5, 50 ... conditions for elderberries (pH level of 5.5–6.5, 50 lb/acre (25 ppm) of phosphorus, and 200–300 lb/acre ... lb/acre (25 ppm) of phosphorus, and 200–300 lb/acre (100–150 ppm) (Byers et al. 2012) as reported on ...
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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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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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Demonstration Sprayer
https://pested.osu.edu/EducatorResources/demonstration-sprayer
https://mediasite.osu.edu/Mediasite/Play/8d18373477484ef49a2d443eb0cf55181d Pressure comparison 8. Using a pressure gauge to test nozzle flow rate. 2:50 ... https://mediasite.osu.edu/Mediasite/Play/92552b295d074b9dbd5cae76e3455eda1d Gauge test 9. Demonstration of how high pressure contributes to spray drift. 3:12 ... https://mediasite.osu.edu/Mediasite/Play/4739ca20cfb248aa8f8596d4d543b0f11d Spray pattern 2 7. Effect of pressure on flow rate and droplet size. 5:50 ...
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Drones for Spraying Pesticides—Opportunities and Challenges
https://ohioline.osu.edu/factsheet/fabe-540
likely to cause a significant level of soil compaction resulting in reduced crop yield. Spot spraying, ... spraying and the high level of public demand for relaxation of current rules and regulations. Universities, ... a number of important data points: soil characteristics (type, moisture content, and nutrient content) ...
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Doctoral Dissertations
https://acel.osu.edu/graduate/doctoral-dissertations
between job satisfaction of county Extension unit employees and the level of emotional intelligence of ... development and the practicality of offering college-level introductory courses to high school students Garee ... cognitive levels 1990 Mathew Thomas Baker advised by J. David McCracken Relationships between quality ...
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Online Webinar- New Pesticide Applicator Training- October 11, 2023
https://pested.osu.edu/events/online-webinar-new-pesticide-applicator-training-october-11-2023
Ornamental Weed Control (Category 6c). Attendees will choose between Industrial Vegetation (Category 5) and ... Turf (Category 8). No testing is available at the conclusion of this course. Contact the ODA to ... applications. 8- Turf- The application of pesticides to lawns, turf, sod, or to soil areas being prepared for ...
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Master's Theses
https://acel.osu.edu/graduate/masters-theses
Relationship Between Leadership Traits and Activity Participation Among Madison Plains High School Students ... E. Kroetz advised by Ralph E. Bender An analysis of the soil testing program in Hancock County, Ohio ... Held About Agricultural Education by Coronado High School Students, El Paso, Texas Karen Argabright ...