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  1. Spring Forage Establishment

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-forage-establishment

    Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium the optimal range is 100-130 ppm for sandy soils with a CEC less than 5, for loam and clay soils ...

  2. Crop Response to Potassium Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/crop-response-potassium-fertilizer-ohio

    of yield penalty with no K application decreases as soil K levels go above 100 ppm. If the soil test ... (2023) classified Mehlich-3 soil K levels into <70, 70-100, 100-130, 130-160, and >160 ppm to ... yield, the higher the yield increase from K fertilizer.   Generally, as the soil test K levels decreased, ...

  3. Crop Response to Phosphorus Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/crop-response-phosphorus-fertilizer-ohio

    soil P levels go above 20 ppm. If the soil test P level is less than 20 ppm, there is an increased risk ... less than 10 ppm, the median relative yield was 87%. As the soil test P level increased above the ... the Mehlich-3 soil test P level. The Mehlich-3 soil P measures the readily available soil P for crop ...

  4. OSU Deoxynivalenol, DON, Resistance Screening Program-2024

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-06/osu-deoxynivalenol-don-resistance-screening-program-2024

    and consistently lower DON levels are easier to keep low than those that were highly susceptible. ... temperatures between 59 ° F and 86 ° F.   Table 1 below summarizes the DON ppm as an average across locations ... lowest average DON level. The variability among some of the hybrids with high DON levels led to high ...

  5. 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 ...

  6. Battle for the Belt – Season 2, Episode 1: Kick-Off

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/battle-belt-%E2%80%93-season-2-episode-1-kick

    https://www.youtube.com/watch?v=H0ukx_RvOrI&list=PLYlh_BdeqniJ4J-htcJ9Z5MjULk3E8Eqk&index=1 Planting conditions were good with adequate soil moisture; however, soil temperature was in the ... Wood County and Wooster Campus in Wayne County when soil moisture conditions allow. The Battle for the ...

  7. Scouting Early Alfalfa Weevil Activity

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/scouting-early-alfalfa-weevil-activity

    are between 325 and 575 (accumulation from a base of starting at 48°F January 1 st). As of writing ... development; while the following cold stretch will slow alfalfa growth. In the past years, this scenario has ... at ground level and place them upside down in a bucket. When all samples are collected vigorously ...

  8. Assessing Forage Stands and Winter Damage

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/assessing-forage-stands-and-winter-damage

    This is a more common problem in heavier clay soils and poorly draining soils. Warmer temperatures ... year can heave and expose the root system to a severe enough level that plants may not survive into ... or possibly a warm season forage such as sorghum, sudangrass, or sorghum-sudan as a high ...

  9. Topdressing Wheat with Liquid Manure

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-06/topdressing-wheat-liquid-manure

    know the manure’s nitrogen content. Most manure tests reveal total nitrogen, ammonia nitrogen and ... between 30 and 40 pounds of ammonia nitrogen per 1,000 gallons. Finishing buildings with bowl waters and ... drag hoses when topdressing wheat. The concern with manure tankers is soil compaction, especially on ...

  10. Join OSU Extension for Monthly Cover Crops Roundtables!

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-07/join-osu-extension-monthly-cover-crops-roundtables

    all experience levels are invited to join OSU Extension Paulding, Wood, and Auglaize County for ... products are, how they interact with soil biology and crop physiology, and what benefits they can ... roundtable meetings, contact Rachel Cochran at Cochran.474@osu.edu or (567) 344-5016. Cover Crops and Soil ...

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