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  1. Cover Crops (NRCS 340)

    https://agbmps.osu.edu/bmp/cover-crops-nrcs-340

    Midwest from 1961 to 2005. Results suggested that, on average, winter rye can reduce nitrogen loss in ... warmer-than-normal winters. Debris might be entering tile systems where vertical tillage results in detached residue ... a central Iowa field with a 13-year corn-soybean rotation with and without a winter rye cover crop found ...

  2. Subsurface Placement of Nutrient

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

    localized, higher soil test levels resulting from stratification likely play a role in water quality impacts. ... pH) shale underlying the surface. The results of soil pH influence nutrient availability. ... placement: Under dry weather conditions, plant roots in shallow soil depth might dry out. This can result in ...

  3. Surface applied nutrients are exposed to loss from rainfall after application

    https://agbmps.osu.edu/scenario/surface-applied-nutrients-are-exposed-loss-rainfall-after-application

    Preferential flow from macropores is the result of “biological activity (e.g., root channels, worm holes, ...

  4. Nitrogen Recommendations When Organic N is Used

    https://agbmps.osu.edu/bmp/nitrogen-recommendations-when-organic-n-used

    under-applications. Over-applications result in excessive soil nitrogen at the end of the growing season, which will ... avoid excessive nitrogen rates. Over-application of nitrogen often results in increased wheat lodging, ... result in lower than expected values due to decreased soil temperature and soil microbial activity. ...

  5. Channel Bed Stabilization (NRCS 584)

    https://agbmps.osu.edu/bmp/channel-bed-stabilization-nrcs-584

    channels where the removal of barriers to aquatic organism passage would result in destabilization of the ... should be incorporated in order to: prevent bed instability. Bed instability can result in channel bank ... capacity of the channel or impoundment. reduce the downstream effects of sediment resulting from bed ...

  6. Inter-rill and rill erosion

    https://agbmps.osu.edu/scenario/inter-rill-and-rill-erosion

    rivers.   From an agronomic management standpoint, this type of erosion results in decreased productivity ... 4b. Inter-rill and rill erosion resulting in residue and soil movement in Ohio in spring 2017. Rill ... from right to left, resulting in residue displacement and rill erosion (4b). Credit for both images: ...

  7. Nutrient Management Plan (NRCS 590)

    https://agbmps.osu.edu/bmp/nutrient-management-plan-nrcs-590

    results are used in monitoring soilstable nutrients such as pH, phosphorus, and potassium. As samples are ... conditions and management practices that result in potentially higher risk can be identified and evaluated. ... better nutrient management practices that result in lower input cost, and it can provide a crop ...

  8. Critical Concerns

    https://agbmps.osu.edu/critical-concerns

    Nutrients—regardless of their original source—support plant growth in water, which can result in hypoxia (low oxygen) ... or where unique ecosystems exist, will determine the type of impairments to water quality resulting ... concentrated surface flow resulting in off site deposition Grassed Waterways Filter Strips/Grassed Riparian ...

  9. Gully erosion via concentrated surface flow

    https://agbmps.osu.edu/scenario/gully-erosion-concentrated-surface-flow

    Concentrated surface flow results in a classic gully as an advanced stage of channel erosion. The ... of the field and into surface water, which results in a loss of topsoil at the site. Downstream, the ...

  10. 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

    though other mangement and soil conditions can result in higher or lower actual measured losses. As STP ... high-value crops such as vegetables that resulted in higher fertilizer recommendations. No additional ... nutrients. Use variable rate application where spatial variation results in a range of suggested nutrient ...

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