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  1. Pruning and Care of Tree Wounds

    https://ohioline.osu.edu/factsheet/HYG-3311-09

    formation rates vary for different tree species and are affected by environmental conditions such as ... that callus formation rates can be enhanced, or at least not inhibited. First, it is essential to avoid ... proper application rates are used so that issues associated with over-fertilization, such as burning of ...

  2. Physical Properties of Granular Fertilizers and Impact on Spreading

    https://ohioline.osu.edu/factsheet/fabe-5501

    Today, accurate placement and rate (or rates in the case of variable-rate application—VRA) during field ... nutrient management. The 4Rs of Nutrient Stewardship include Right Source, Right Rate, Right Time and Right ... fertilizers thereby influencing rate and placement. Fertilizer source is also important because nutrient ...

  3. Leaf Blotch Diseases of Wheat—Septoria tritici Blotch, Stagonospora nodorum Blotch and Tan Spot

    https://ohioline.osu.edu/factsheet/plpath-cer-07

    high rates of nitrogen will make the field prone to damage by Stagonospora blotch. Avoid high rates of ... the flag leaf and the leaf below the flag leaf. A single full-rate application at flag leaf emergence ...

  4. Soil Acidification: How to Lower Soil pH

    https://ohioline.osu.edu/factsheet/agf-507

    (agronomic and horticultural) with rates necessary to adjust soil pH. Sulfur reaction in the soil is slow, ... recommended rates from pounds per acre to pounds per 1000 ft 2 divide the values in Table 1 by 43.56. To ... adjust the pH of a soil with a measurable volume, use Equation 2 to determine the rate of sulfur needed: ...

  5. Estimating the Size of Your Solar Electric System

    https://ohioline.osu.edu/factsheet/CDFS-4102

    you use, how long you use them, and the rate the device uses electricity. An electric motor or ... equipment typically is rated as to how many watts of power it uses. A simple equation is used to determine ... the watt-hours even if the watts are not rated on the device. The device runs using a determined ...

  6. Growing Giant Pumpkins in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1646

    diseases, your success rate for producing a giant pumpkin will be significantly reduced. An insect and ... check with your local Extension educator for current rates and products. You may also refer to the ... success rate will be for achieving a giant size pumpkin. Stem Stress Because of the size and fast growth ...

  7. Understanding Value in Lime

    https://ohioline.osu.edu/factsheet/anr-9

    not reflect total cost. In order to calculate total cost, we must determine our application rate ... determine the application rate of lime. Fortunately, state law, sections 905.51 to 905.66 of the Ohio ... product label for determining application rate and value is the Effective Neutralizing Power (ENP). The ...

  8. Protecting Pollinators While Using Pesticides

    https://ohioline.osu.edu/factsheet/anr-68

    California IPM Bee Precaution Pesticide Ratings. The particular pesticides listed in this section were chosen ... precaution ratings for other pesticides, visit the University of California Extension IPM at ... ag.umass.edu/greenhouse-floriculture/fact-sheets/pollinators-neonicotinoids-greenhouse-production (Accessed 8-26-2018). Statewide IPM Program. 2018. Bee precaution pesticide ratings. Agriculture ...

  9. Biopesticide Controls of Plant Diseases: Resources and Products for Organic Farmers in Ohio

    https://ohioline.osu.edu/factsheet/SAG-18

    2009. An efficacy rating based on these reports was established based on the comparison between ... untreated and biopesticide-treated plants in one or more reports. The ratings are categorized as follows: ... o Soybean/ Rhizoctonia damping-off: o Snap beans/root rot: o 1. The efficacy ratings are based on the results ...

  10. Ammonia Emission from Animal Feeding Operations and Its Impacts

    https://ohioline.osu.edu/factsheet/AEX-723.1

    Emission of ammonia gas (NH₃) into air occurs at the surface of manure and the process and rate of ... buildings operate at low ventilation rates for temperature control and conservation of energy. Studies have ... shown in turkeys. At above 20 ppm, increased rate of infection of Newcastle disease was found. At above ...

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