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  1. Herbicide Resistance in Ohio Waterhemp Populations

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-03/herbicide-resistance-ohio-waterhemp-populations

    resistant Glyphosate + group 14 – 28% resistant Some populations resistant to low rate of atrazine (but not ... Glyphosate – 87% resistant, group 14 (fomesafen) – 25 to 50% (rate-dependent) Glyphosate + group 14 – 25 to ... 50% resistant (rate-dependent for group 14) Starting with 2019 populations, we have expanded to assess ...

  2. Ag Tech Tuesday Webinars Highlight 2020 eFields Results

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-03/ag-tech-tuesday-webinars-highlight-2020-efields-results

    Douridas and Will Hamman Corn Seeding Rates, Chris Zoller SmartFirmer Seeding Rate, Elizabeth Hawkins ... Results, Mary Griffith Foliar Fertilizer, James Morris Soybean Seeding Rates, Ken Ford Sulfur on Soybeans, ... Results Production Budgets and Custom Rates, Barry Ward Winter Annual Forages, Jason Hartschuh Barley ...

  3. Improved Soil Health Linked to Nitrogen Fertilizer Efficiency Across Corn Belt

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-02/improved-soil-health-linked-nitrogen-fertilizer-efficiency-across

    health measurements increased relative yields by an average of 5% across N fertilizer rates. In other ... Ohio State PhD student Dr. Jordon Wade, based these findings on analysis of corn nitrogen (N) rate ...

  4. Farm Office Live Winter Edition

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-01/farm-office-live-winter-edition

    Costs and Profit Margins Outlook on Cropland Values and Cash Rents Outlook on Interest Rates Tax Issues ...

  5. Agronomy and Farm Management Podcast

    https://agcrops.osu.edu/agronomy-and-farm-management-podcast

    focus in on 3 trials: SmartFirmer seedings rates, soil health sampling, and soil moisture sensors under ... topics at go.osu.edu/afmsurvey.   Episode 64- What Nitrogen Rate Are You Using? November 25, 2020  22 ... trials in 30 counties across Ohio. Soybean seeding rate and nitrogen application to corn are a couple of ...

  6. 2020 Organic Corn Performance Test Results Available

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-41/2020-organic-corn-performance-test-results-available

    entries in the full season trial were 107 days or later. The planting rate was 34,000 seeds/acre with ...

  7. Winter Application of Manure-Remember Setbacks

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-41/winter-application-manure-remember-setbacks

    a 48-hour weather forecast graph.  Winter manure application rates should follow the NRCS 590 standards, ...

  8. 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 ...

  9. 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

    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 ...

  10. 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

    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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