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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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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 (P) Nutrient Use in Ohio
https://ohioline.osu.edu/factsheet/anr-0143
percent of Ohio counties had decreasing trends in mean soil test P (STP) levels between 1993 and 2015. ... a large degree for given soil test P (STP) values and crop production levels. In instances with the same ... reduced median soil test P (STP) levels across most Ohio counties from 1995 to 2015 supports this finding ...
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Ohio Phosphorus (P) Use by Crop Reporting District
https://ohioline.osu.edu/factsheet/anr-0144
the acreage in the Scioto River basin. Soil test P is one factor that can mitigate the amount of ... Table 2 would result in lower soil test phosphorus (STP) values over time. Evidence that this is ... levels between 1993 and 2015 (LaBarge, 2023). Future trends in STP are expected to continue to decline ...
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Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation
https://ohioline.osu.edu/factsheet/anr-81
example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...
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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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Livestock Judging Team finishes strong in successful season
https://cfaes.osu.edu/news/articles/livestock-judging-team-finishes-strong-in-successful-season
Stephen Parthemore – all animal sciences majors – left NAILE as the 13th High Team in the senior college ... competition. Other notable fall finishes for the team include second High Team overall (first in placings, ... second in reasons) at the Purdue Boilermaker Classic, third High Team (High Team in swine) at the ...
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What is your long-term care risk?
https://farmoffice.osu.edu/news/what-your-long-term-care-risk
Our new calculator can help farm owners estimate the risk long-term care presents to farm assets. ...
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Join us at the Ag Economic Outlook for 2024
https://butler.osu.edu/news/join-us-ag-economic-outlook-2024
Soil & Water Conservation District and Butler County Soil & Water Conservation District. ...
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February 7, 2024- New Applicator Training- Webinar
https://pested.osu.edu/events/february-7-2024-new-applicator-training-webinar
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 ... 8- Turf-Â The application of pesticides to lawns, turf, sod, or to soil areas being prepared for the ...