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  1. 2020 Weed Control Guide for Ohio, Indiana, and Illinois

    https://extensionpubs.osu.edu/2020-weed-control-guide-for-ohio-indiana-and-illinois/

    marestail, Palmer amaranth, and waterhemp. An index to all tables regarding herbicides is listed on the back ...

  2. 2020 Weed Control Guide for Ohio, Indiana, and Illinois (PDF)

    https://extensionpubs.osu.edu/2020-weed-control-guide-for-ohio-indiana-and-illinois-pdf/

    sections on marestail, Palmer amaranth, and waterhemp. An index to all tables regarding herbicides is ...

  3. Corn, Soybean, Wheat, and Forages Field Guide

    https://extensionpubs.osu.edu/corn-soybean-wheat-and-forages-field-guide/

    General Crop Management, which includes updated sampling information. The index at the back of the book ...

  4. Corn, Soybean, Wheat, and Forages Field Guide (PDF)

    https://extensionpubs.osu.edu/corn-soybean-wheat-and-forages-field-guide-pdf/

    General Crop Management, which includes updated sampling information. The index at the back of the book ...

  5. Gary Gao

    https://hcs.osu.edu/our-people/gary-gao

    (2), Retrieved from:  https://www.nacaa.com/journal/index.php?jid=780 Qin, D.; Zhao, L.; Gao, G.; Li, ... https://www.nacaa.com/journal/index.php?jid=715  Additional Information: Research Support and/or Scholastic Performance  USDA/Ohio Department ...

  6. Critical Concerns

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

    Index of Low to Medium. Soil test P levels between 50 PPM (or 100 lbs/A) and 150 PPM (or 300 lbs/A) Bray ... P1 or P Risk Index of Medium to High Soil test P levels greater than 150 PPM (or 300 lbs/A) Bray P1 ... or P Risk Index of High to Very High Surface applied nutrients are exposed to loss from rainfall ...

  7. 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

    evaluated for potential phosphorus contributions through tools such as the Ohio P Risk Index to see if ... Additionally field P index, soil water holding capacity, slope conditions and other outlined criteria should be ...

  8. 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 ...

  9. Nutrient Management Plan (NRCS 590)

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

    harvested. While ideally, risk indexes should be calculated on all fields to evaluate for the potential loss ... Critical Resource Concerns). For P concerns: The phosphorus risk tool is the Ohio P Risk Index. Fields with ... N Risk Index. Nitrogen concerns exist where highly leachable soil types and tiled fields have a greater ...

  10. 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

    or surface water during rainfall events. Site evaluation tools such as the Ohio P Risk Index provide ...

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