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  1. Forage Testing for Beef Cattle

    https://ohioline.osu.edu/factsheet/anr-0149

    0.12% Mg. High soil potassium levels are associated with increased incidence of grass tetany. The ratio ... (ppm). If the forage contains a high level of molybdenum (2 ppm) or sulfur at 0.25%, Cu could be ... samples are low in Zn. The recommended levels for zinc are between 30 and 1,000 parts per million (ppm ...

  2. Effects of Lime and Gypsum Application on Vegetable Yields and Nutrient Availability in Muck Soil

    https://ohioline.osu.edu/factsheet/anr-0102

    to keep organic soils at a target pH of 5.3 to minimize the risk of micronutrient deficiencies ... state that the optimal pH range of muck soils should be between 5.3 and 5.8, depending on the crop ... The application of lime had no effect on soil test phosphorus (P) or potassium (K) values, but the ...

  3. Battle for the Belt: Season 2, Episode 17 – Crop Progress Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-24/battle-belt-season-2-episode-17-%E2%80%93-crop-progress-update

    vegetative dry matter, and the ear has reached its maximum length. The milk stage occurs between 18 to 22 ... by having four open trifoliates. At this stage plants can recover from 100% defoliation with low risk ... the upper node branches and peak nitrogen uptake rates happen between R4 and R5 ranging from 3-4 ...

  4. Soil Sampling to Develop Nutrient Recommendations

    https://ohioline.osu.edu/factsheet/AGF-513

    over the entire field, changes in soil test levels in two areas over a 10-year period are shown. Table ... 1 ppm 20 8 2 20 8 2 20 8 2 Expected ppm change in soil test over 10 years 3 0 0 +5 +10-6-11 1 Crop ... to change soil test 1 ppm is 6–10 depending on cation exchange capacity. 3 Example calculation: ...

  5. Ohio Certified Volunteer Naturalist (OCVN) Fall 2024 Course Franklin County

    https://ocvn.osu.edu/events/ohio-certified-volunteer-naturalist-ocvn-fall-2024-course-franklin-county

    If you have questions about the activity level of the course and how we can help you participate ... Thursday, October 3: Soils 5:30—8:00 PM  Thursday, October 10: Climate and Weather 10:00—3:00 PM Tuesday, ...

  6. Register for Soil Health Field Day on August 15

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-23/register-soil-health-field-day-august-15

    RegenConnect ®  on Thursday, August 15 for a Soil Health Field Day featuring leading experts and hands-on field ... Rain Fall Simulator and Slake Test- Jay & Ann Brandt Cover Crop Selection Decisions & Planting ... discussion and additional time to interact with vendors. Register online by clicking here. Soil and Water ...

  7. 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, ...

  8. Nutrient Value of Wheat Straw

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-21/nutrient-value-wheat-straw

    lower soil K levels. If straw is removed after heavy rainfall, some of the K may have leached out of the ... straw, lowering the nutrient value. However, a soil test should be done to accurately estimate nutrient ... scenarios are also available for profitability comparisons. Although N adds value, we do not give it an ...

  9. Hot Water and Chlorine Treatments to Eradicate Bacterial Plant Pathogens from Vegetable Seeds

    https://ohioline.osu.edu/factsheet/hyg-5818

    F (50 C), or the temperature indicated for the seed type being tested (see Table 1). Place container in ... may be damaged by hot water. It is highly recommended that a small sample of each seed lot be treated ... and tested for germination (see below) prior to treating the entire lot. Chlorine treatment is easier ...

  10. Nutrient Removal for Field Crops in Ohio

    https://ohioline.osu.edu/factsheet/anr-96

    manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...

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