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Soil Test P value less than 50 PPM (or "Lower" P Risk Assessment)
https://agbmps.osu.edu/scenario/soil-test-p-value-less-50-ppm-or-lower-p-risk-assessment
of fertilizer at the crop removal rate to reduce risk of yield reduction. Another consideration with ... STP less than the "critical level" is to apply additional fertilizer at rates more than crop ... application of crop removal rates of fertilizer. A maintenance application can be applied any time during the ...
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Soil Test P value greater than 120 PPM (or P Risk Assessment of "High" to "Very High")
and filtering practices are highlighted at the end of this section Fertilizer rate determination and ... Sampling Identify lower testing field for application of organic nutrients. Use variable rate application ... where spatial variation results in a range of suggested nutrient application rates to avoid applications ...
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Soil Test P value between 50 PPM and 120 PPM (or "Moderate" P Loss Risk Assessment)
edge-of-field would be cost effective. Fertilizer rate determination and application practices Applying ... PPM. Manure maybe used but at overall rates that drawdown STP levels. Soil test results should be ... the 4R’s of nutrient stewardship (the right rate, right placement, right timing, and right source of ...
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Phosphorus Removal Structure (NRCS 782)
https://agbmps.osu.edu/bmp/phosphorus-removal-structure-nrcs-782
DP concentration flow through the PSM in the structure at a suitable flow rate while allowing enough ... no longer effective at removing P at the minimum desired rate. Some materials are available that ... the desired P removal at the chosen flow rate and RT. An important factor in design is PSM selection. ...
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Critical Concerns
https://agbmps.osu.edu/critical-concerns
BMP's Evaluate rate to account for organic and inorganic nitrogen sources applied Nutrient Management ...
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Congrats Jordon Wade on publishing expansive soil health study!
https://soilfertility.osu.edu/news/congrats-jordon-wade-publishing-expansive-soil-health-study
aggregated research corn N rate trials across the Midwest to ask the question "do improvements in soil ...
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Forage Economics
https://forages.osu.edu/forage-management/forage-economics
Worksheet Tool- NEW! Establishing a Fair Pasture Rental Rate Ohio Farm Custom Rates Farm Management Decision ...
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Field Estimations of Alfalfa Fiber Content
https://forages.osu.edu/news/field-estimations-alfalfa-fiber-content
primarily on alfalfa maturity. Variable weather conditions affect the rate of bud and flower development in ...
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Get Ready for Spring Planting Now
https://forages.osu.edu/news/get-ready-spring-planting-now
borrow. Calibrate the drill to the desired seeding rate using the seed that will be planted and then don’t ...
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Publications
https://soilfertility.osu.edu/publications
Chaganti, V., Culman, S.W., Dick, W.A., Kost, D. Evaluating the Effects of Gypsum Application Rate ... to Nitrogen Fertilization Rate in No-till Corn Systems. Agriculture, Ecosystems and Environment 179: ...