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Nutrient Management Plan (NRCS 590)
https://agbmps.osu.edu/bmp/nutrient-management-plan-nrcs-590
soil-stable and lost at low concentrations and at total pounds-per-acre rates in water flows. Unfortunately, ... important to account for all sources and timings of nitrogen applications to ensure that excess rates are ... not applied. Nitrogen needs to be managed to reduce the rate to the actual need of the crop. This ...
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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 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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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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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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2018 OSU Weed Science Field Research Yield Results
https://herbselector.osu.edu/node/184/2018-osu-weed-science-field-research-yield-results
Treatmeants 14 18LLDEMO Liberty Link Control Systems and Increased Liberty Rates 20 Corn Trials 18FALLCORN ...
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Evaluate rate to account for organic and inorganic nitrogen sources applied
https://agbmps.osu.edu/scenario/evaluate-rate-account-organic-and-inorganic-nitrogen-sources-applied
might limit the total rate of the organic source applied, additional nitrogen might be needed. ... commercial fertilizer rates and to match the total nitrogen needs of the crop. The highest measured nitrogen ... losses in water are seen where full rates of commercial fertilizer nitrogen are applied in combination ...
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Critical Area Planting (NRCS 342)
https://agbmps.osu.edu/bmp/critical-area-planting-nrcs-342
Establishing permanent vegetation on sites that have, or are expected to have, high erosion rates ... expected high rates of soil erosion by wind or water. Stabilize stream and channel banks, pond and other ...
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Nitrogen Recommendations When Organic N is Used
https://agbmps.osu.edu/bmp/nitrogen-recommendations-when-organic-n-used
a yield goal to set nitrogen rates (Table 3). Manure application rates should be carefully considered to ... avoid excessive nitrogen rates. Over-application of nitrogen often results in increased wheat lodging, ... timing, placement and rate are considered. The N cost of a corn enterprise budget makes up 15-20% of the ...