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  1. Wheat Management for Fall 2021

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/wheat-management-fall-2021

    phosphorus than corn or soybean, and soil test levels should be maintained between 30-50 ppm (Mehlich-3 P) ... for optimum production (Table 1). Do not add any phosphorus if soil test levels are higher than 50 ... 45 60 75 >50 0 0 0 0 Soil potassium should be maintained at levels of 100-130 and 120-170 ppm ...

  2. Grapevine Nutrient Management: Petiole Sampling and Analysis

    https://ohioline.osu.edu/factsheet/hyg-1438

    availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...

  3. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/AGF-514

    Soil test values may be reported in parts per million (ppm) or pounds per acre (lb/ac). To convert from ... ppm to lb/ac, multiply ppm by two. Phosphorus, potassium, calcium, and magnesium soil test values are ... 250–310 125–155 CEC=30 meq/100g 300–360 150–180 Calcium (Ca) 800–16,000 400–8,000 Levels less than 200 ppm ...

  4. Jack Frost Will Bite Soon- Precautions for Feeding Frosted Forages

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-36/jack-frost-will-bite-soon-precautions-feeding-frosted-forages

    affect poisoning risk. Plants growing under high nitrogen levels or in soils deficient in phosphorus or ... risk of toxicity: Grain sorghum = high to very high toxic potential Indiangrass = high toxic potential ... dangerously high in prussic acid. Drought stress can affect prussic acid poisoning risk. Drought-stunted ...

  5. Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation

    https://ohioline.osu.edu/factsheet/anr-81

    example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...

  6. Lime and the Home Lawn

    https://ohioline.osu.edu/factsheet/hyg-4026

    For turfgrasses used in Ohio home lawns, a soil pH between 6.0 and 7.0 (slightly acidic) is ideal. ... in an immediate and dramatic change to soil pH levels or the health of turfgrass plants. Homeowners ... or not liming is needed, and how much lime to apply, is through the results of a soil test conducted ...

  7. Ever-Evolving Aspects of Cannabis Production

    https://ohioline.osu.edu/factsheet/anr-99

    recreational status. Even though marijuana continues to be illegal at the federal level due to its high ... concentration goes beyond 0.3%. For obvious reasons, high tunnel and greenhouse operations face lower ... overall success of any cannabis production effort. Hemp programs overseen by state-level agencies also ...

  8. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  9. Prevent Plant Winter Wheat…What To Do With Your Seed

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-36/prevent-plant-winter-wheat%E2%80%A6what-do-your-seed

    environment if possible. High temperature and high relative humidity increase the rate of seed deterioration, ... relative humidity. Protect seed from insect infestation. Wheat seed stored for a year or more is at risk of ... one of the reasons for running a germination test before using wheat seed stored for more than a year. ...

  10. Weather Update: Fall Weather Finally Arrives

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-36/weather-update-fall-weather-finally-arrives-0

    Highs this weekend will only reach the 50s and 60s, with frost possible and lows in the mid-30s to ... reports of frost to some locations. Forecast Strong high pressure and fair weather will remain in control ... through Wednesday. Highs will reach the upper-60s to mid-70s Tuesday and Wednesday, with overnight lows in ...

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