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  1. 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 ...

  2. 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 ...

  3. 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 ...

  4. 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 ...

  5. 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 ...

  6. Time & Change Webinar Follow Up- Oct. 2021

    https://advancement.cfaes.ohio-state.edu/email/time-change-webinar-follow-oct-2021

    https://twitter.com/cfaes_osu?utm_campaign=last%20ca&utm_source=bbis&utm_medium=... https://www.instagram.com/osucfaes/?utm_campaign=las&utm_source=bbis&utm_medium ...

  7. Composting at Home

    https://ohioline.osu.edu/factsheet/hyg-1189-99

    thatch (an unhealthy, organic debris-layer between the soil and live grass). Finally, average mowing time ... chipped brush, and plant cuttings—improves soil, protects the environment, and saves money. Homeowners ... as leaves and food scraps, into a valuable fertilizer that can enrich soil and plants. Anything that ...

  8. Tool-Based Analyses of Monthly Heating Costs for Protected Cultivation in Ohio

    https://ohioline.osu.edu/factsheet/anr-98

    crops by applying simple protection from cold temperatures. Structures classified as ‘high tunnels’ are ... production season. Because of relatively high market prices for locally grown, fresh vegetables and fruits in ... winter, there is increasing interest among high tunnel growers to produce crops throughout the winter ...

  9. Chlorinated Water Sanitation of Leafy Green Vegetables For Fresh Produce Processors

    https://ohioline.osu.edu/factsheet/aex-262

    granulated powder 65 or 68% free active chlorine high capital, high operation hazardous due to higher percent ... chlorine Sodium Hypochlorite water-based formulation 5 to 15% free active chlorine high capital, high ... operation low level safety concerns The cost of each sanitizer varies due to the active chlorine ...

  10. Northern House Mosquito

    https://ohioline.osu.edu/factsheet/ent-89

    of 50, and particularly older males, are at a higher risk of developing severe illness. Image: Ohio ... risk, with men over 50 appearing to be at higher risk for severe disease. If you are at risk, be sure to ... eggs on the surface of water-holding containers in a raft consisting of around 150 eggs glued together ...

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