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  1. Subsurface Placement of Nutrient

    https://agbmps.osu.edu/bmp/subsurface-placement-nutrient

    2001). Banded fertilizer rates can be reduced by 25–50 percent. The goal in fertilizer addition is to ... fertilizers are used, limits to nitrogen and potassium total rates exist. Due to the potential of injury from ... 17 percent of the application rate might be possible. Figure 34. Effect of phosphorus placement on ...

  2. In-Crop Application of Manure Sourced Nutrient to Maximize Crop Uptake

    https://agbmps.osu.edu/bmp/crop-application-manure-sourced-nutrient-maximize-crop-uptake

    which focus on the “right” rate, placement, timing and source of nutrients to maximize crop yield and ... relates to in-crop application of manure. The rate, timing and placement strategies of 4R Nutrient ... fraction will become available through mineralization. “Rate” based manure nutrient strategies have ...

  3. Soil test P levels greater than 150 PPM or P Risk Index of High to Very High.

    https://agbmps.osu.edu/scenario/soil-test-p-levels-greater-150-ppm-or-p-risk-index-high-very-high

    the Ohio P Risk Index to see if further use of BMPs would benefit water quality. Fertilizer rate ... nutrients. Use variable rate application where spatial variation results in a range of suggested nutrient ... application rates to avoid applications if only areas of the field are at these elevated soil test levels. ...

  4. Tiled fields lead to Nitrogen losses

    https://agbmps.osu.edu/scenario/tiled-fields-lead-nitrogen-losses

    to crop need. Use a maximum return to nitrogen rate of nitrogen as a starting point to determine the ... nitrogen need for corn. If wheat, use the yield goal rate from the Tri-State Fertilizer Recommendations for ... application of commercial fertilizer or previous manure applications. Do not exceed the total recommended rate ...

  5. Soil test P levels between 50 PPM and 150 PPM (or P Risk Index of Medium to High)

    https://agbmps.osu.edu/scenario/soil-test-p-levels-between-50-ppm-and-150-ppm-or-p-risk-index-medium-high

    further use of BMPs would benefit water quality. Fertilizer rate determination and application practices ... levels, yield goals, and the 4R’s of nutrient stewardship (the right rate, right placement, right timing, ... field for application of organic nutrients if at all possible Apply no more than a 2 year rate of ...

  6. Forage Toxicities and Frost Events

    https://wayne.osu.edu/news/forage-toxicities-and-frost-events

    then wait another 10 to 14 days before grazing the new growth. Use heavy stocking rates and rotational ...

  7. Grain Harvest Considerations

    https://wayne.osu.edu/news/grain-harvest-considerations

    systems that use only electricity have a higher charge.  Iowa State University uses an average rate of ... per hour and how much labor is needed for that hour times and hourly labor rate.  Iowa State ...

  8. Soil test P levels less than 50 PPM (or P Risk Index of Low to Medium)

    https://agbmps.osu.edu/scenario/soil-test-p-levels-less-50-ppm-or-p-risk-index-low-medium

    productivity in STP values less than 50 PPM. Fertilizer rate determination and application practices Soil test ... yield goals, and the 4R’s of nutrient stewardship (the right rate, right placement, right timing, and ... field for application of organic nutrients if at all possible Apply no more than a 2 year rate of ...

  9. Warm Season Annual Grasses

    https://wayne.osu.edu/news/warm-season-annual-grasses

    recommends seeding rates of 23 to 25 pounds/acre for sudangrass and sorghum-sudangrass.  Plant pearl millet ... at 20 pounds/acre.  Many seed companies recommend seeding rates of 30 to 35 pounds per acre for ... sudangrass and sorghum-sudangrass varieties and those higher seeding rates can result in small diameter plant ...

  10. Manure Spreader Calibration

    https://wayne.osu.edu/news/manure-spreader-calibration

    commercial or synthetic fertilizer we talk about an application rate; pounds of a particular nutrient that ... should be applied per acre.  The desired application rate is achieved by using a calibrated fertilizer ... spreader.  We can do the same with our manure spreaders.              The application rate for manure ...

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