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  1. Spring 2024 Weather & Soil Conditions: Update 2

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-09/spring-2024-weather-soil-conditions-update-2

    Figure 1: Daily average air temperature (dashed red), two-inch (green) and four-inch (blue) soil ... temperatures for spring 2024. Soil type and location of measurements (under sod or bare soil) are provided in ... located throughout the state. Daily average soil temperatures remained steady or fell slightly for most ...

  2. Spring 2024 Weather & Soil Conditions: Update 1

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-2024-weather-soil-conditions-update-1

    to mid 50s for daily averages (Figure 1). Soil temperatures should remain steady early this week, ... Soil Temperatures and Moisture   Figure 1: Daily average air temperature (dashed red), two-inch ... (green) and four-inch (blue) soil temperatures for spring 2024. Soil type and location of measurements ...

  3. Fertilization Recommendations

    https://agcrops.osu.edu/node/4348

    Magnesium (Mg)  Soybeans require a minimum exchangeable soil test level of 200 and 50 ppm (400 and 100 ... Recommendations for Soybeans.    Yield   Potential   (bu/ac) Soil   test   (Bray   P) 30 40 50 60 70 ppm   (lb/ac) ... Cation Exchange Capacities (CECs) and Soil-Test Levels.  ​​​​​​     Yield Potential bu/  ac 30 40 50 60 ...

  4. Lep Monitoring Network – Black Cutworm and True Armyworm Update # 2

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-12/lep-monitoring-network-%E2%80%93-black-cutworm-and-true-armyworm-update-2

    and larvae go through 6 instar stages over the next 28 – 35 days. Counties with high trap numbers ... rye cover crops. The eggs hatch and the feed on young corn plants. Counties with high trap numbers ...

  5. Statewide Alfalfa Weevil Population Update #2

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-12/statewide-alfalfa-weevil-population-update-2

    both experiencing very different levels of GDD accumulation. To further highlight the importance of ...

  6. Using Soil Tests Phosphorus Results to Identify Agronomic and Conservation Needs

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-30/using-soil-tests-phosphorus-results-identify-agronomic-and

    chance of more than 0.5 inches of rainfall. Soil Test Phosphorous (STP) values are above 50 PPM Mehlich ... water quality. Fields with Soil Test Phosphorus (STP) levels two to three times higher than the ... Between 20-40 PPM (or 30-50 PPM if wheat/alfalfa are in the rotation) Greater than 50 PPM More detailed ...

  7. Managing Phosphorus for Yield and Reduced Edge of Field Losses

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-35/managing-phosphorus-yield-and-reduced-edge-field-losses

    level. At 20 PPM or less, the risk of yield loss increases. Annual in season P nutrient application ... applications when STP is greater than 150 PPM. Follow NRCS 590 site and rate criteria between 40 to 150 PPM ... 8. 8. BMPs for high risk P loss sites: Monitor fields for P loss using the Ohio P risk index and ...

  8. Forage Weeds: Fall Forgotten and Spring Startups

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-09/forage-weeds-fall-forgotten-and-spring-startups

    category, and the spring weed control plan can look very different between species and operations. The ... problem weeds and whether control is necessary are going to be different between permanent pasture systems ... and alfalfa fields, and highly dependent on the consequences of specific weeds. In established ...

  9. Graduate student funded to harness remote sensing and AI technology for precision agriculture

    https://fabe.osu.edu/news/graduate-student-funded-harness-remote-sensing-and-ai-technology-precision-agriculture

    information from high-resolution images captured through a small Unmanned Aerial System, or sUAS. Currently in ... I have been privileged to work in a highly collaborative laboratory environment." Going forward, she ... during the upcoming summer. This project aims to assess the significance of both high-resolution and ...

  10. Statewide Alfalfa Weevil Population Update #1

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-11/statewide-alfalfa-weevil-population-update-1

    Alfalfa weevil is a pest that develops and causes increasing levels of damage in alfalfa as ... methods of control require timely decision making and the best way to do that is to know the levels of ...

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