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  1. Subsurface Placement of Nutrient

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

    7 percent (Fernandez, 2012), and soybean yields increased 5 bushels per acre (Farmaha, 2011) in Illinois. ... The effect was attributed to potassium. The Illinois soybean study also noted a concern of salting ... total N+K2O for corn or 70 lbs N+K2O for soybeans. Water Quality Higher concentrations of phosphorus ...

  2. Cover Crops (NRCS 340)

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

    a central Iowa field with a 13-year corn-soybean rotation with and without a winter rye cover crop found ... simulated a 45-year, corn-soybean rotation with and without a winter rye cover crop. They found an 11–29 ... soybean cropping systems, which could have the potential to reduce nitrate loadings to the Mississippi ...

  3. Tillage Intensity to Maintain Target Residue Cover (NRCS 329, 345 & 346)

    https://agbmps.osu.edu/bmp/tillage-intensity-maintain-target-residue-cover-nrcs-329-345-346

    for corn and soybean fields. Tillage Type Definitions Conservation Tillage Types (30 percent or more ... recommended. The pictures below show after planting residue cover with both corn and soybean residue. Figure ... corn (38a) and soybeans (38b) in a no-till system. Credit for both images: Greg LaBarge, OSU Extension. ...

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

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

    farm fields through grain and forage removal (hay, silage, straw, baling cornstalks, baling soybean ... also provides the phosphorus and potassium required for a 2-year corn-soybean rotation. Thus, a farmer ... soybean crops without increasing soil phosphorus levels. In other research plots, the liquid livestock ...

  5. Amending Soils with Lime or Gypsum (NRCS 333)

    https://agbmps.osu.edu/bmp/amending-soils-lime-or-gypsum-nrcs-333

    activity. For example, nitrogen fixing rhizobia bacteria that fix nitrogen for legumes like soybeans and ...

  6. Nutrient Management Plan (NRCS 590)

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

    Recommendations for Corn, Soybeans, Wheat and Alfalfa (Vitosch et al., 1995) provides these recommendations for ...

  7. 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

    yield loss due to a deficiency of phosphorus in a corn/soybean rotation. If the crop rotation includes ... found in the Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat and Alfalfa, (2020) Bulletin ... estimated to increase STP 1 PPM. Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat and Alfalfa, ...

  8. 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

    Recommendations for Corn, Soybean, Wheat and Alfalfa, (2020) Bulletin 974 Soil test once per rotation or at least ...

  9. 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

    Recommendations for Field Crops Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat and Alfalfa, (2020) ...

  10. Steve Culman

    https://agbmps.osu.edu/people/steve-culman

    Steve Culman OSU Soil Fertility Specialist 330-263-3787 culman.2@osu.edu ...

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