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  1. Digital Ag Courses

    https://digitalag.osu.edu/digital-ag-courses

    Much Coming Soon Precision Agriculture Prescriptive Agriculture Variable-Rate Seeding (VRS): Evaluating ... Prescription Effectiveness Coming Soon Precision Agriculture Prescriptive Agriculture Variable-Rate Seeding ... (VRS): Planter Performance Coming Soon Precision Agriculture Prescriptive Agriculture Variable-Rate ...

  2. Research 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: ...

  3. Study Implementation

    https://digitalag.osu.edu/efields/get-involved/study-implementation

    to review the standard protocols used to complete them. Corn Seeding Rate Soybean Seeding Rate ... Nitrogen Trials Nitrogen Rate Nitrogen Timing Nitrogen Placement Nitrogen Source ​​​​​​​Other Fertility ... Trials Sulfur Rate (all crops) ​​​​​​​ Corn Pop-up Fertilizer ​​​​​​​Soybean Fungicide Soil Health Farmer ...

  4. Study Tips & Tricks

    https://digitalag.osu.edu/efields/get-involved/study-tips-tricks

    research trials that compare hybrids, fertilizer rates, stand counts, and more. Available to producers, OSU ...

  5. 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 ...

  6. Soil Test P value between 50 PPM and 120 PPM (or "Moderate" P Loss Risk Assessment)

    https://agbmps.osu.edu/scenario/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 ...

  7. Soil Test P value greater than 120 PPM (or P Risk Assessment of "High" to "Very High")

    https://agbmps.osu.edu/scenario/soil-test-p-value-greater-120-ppm-or-p-risk-assessment-high-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 ...

  8. 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. ...

  9. Data Analysis and Management

    https://digitalag.osu.edu/precision-ag/research-focuses/data-analysis-and-management

    (Variable Rate Technology).  VRT consists of the machines, and systems for applying production materials at ... files, bearing, etc.), variable rate control/technology and seeding rate controllers.  Data in these ...

  10. All Publications

    https://digitalag.osu.edu/precision-ag/research-focuses/all-publications

    & Extension) Soil Sampling to Develop Nutrient Recommendations   (2012) Sensor Based Variable Rate ...

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