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  1. Wheat Growth Stages and Associated Management

    https://ohioline.osu.edu/factsheet/agf-126

    said to be at a given growth stage when approximately 50 percent of the primary tillers reach that ... significant event in achieving high yields is stand establishment, i.e, the number of plants or tillers per ... phosphorus (P) and soil pH above 6.0 are needed for good root and tiller development. Feekes 3.0: Tillers ...

  2. ANR-841-2E: Tobacco Sucker Control

    https://ohioline.osu.edu/factsheet/anr-0841-2e

    that have a longer duration between topping and harvesting. However, individual burley varieties may ... long. When To Use Before a systemic sucker-control chemical is used, plants should be topped when 50% or ... in the past discouraged purchases of burley tobacco by foreign buyers. Experiment station field tests ...

  3. Forestry Terms for Ohio Forest Landowners

    https://ohioline.osu.edu/factsheet/f-0104

    Trees with medium-sized crowns forming the general level of the crown cover. They receive full light ... particles. Soil texture can be determined in the lab or in the field by the feel of soil when rubbed between ... location on the tree 4.5 ft. above ground level on the uphill side of the tree. See Diameter Breast Height ...

  4. Fertilizer Certification

    https://extensionpubs.osu.edu/fertilizer-certification/

    of fertilizer to more than 50 acres of agricultural production grown primarily for sale. Topics ...

  5. Nutrient Management of Forage Crops Intended for Hay

    https://ohioline.osu.edu/factsheet/anr-0109

    is to maintain soil test P and K between the “critical level” (minimum) and “maintenance limit” ... level before planting. The estimated amount of P 2 O 5 required to raise a soil test 1 PPM is 20 pounds ... For example, if a soil test is 100 PPM and the goal is to increase the soil test to a critical level ...

  6. Corn, Soybean, and Alfalfa Yield Responses to Micronutrient Fertilization in Ohio

    https://ohioline.osu.edu/factsheet/agf-519

    Micronutrient Deficiencies May Occur. Micronutrient Soil Crop Boron (B) Sandy soil or highly weathered soil low ... Diagnosing Micronutrient Deficiencies There is a large degree of uncertainty in using soil tests for ... monitoring soil micronutrient levels, as crop micronutrient availability is determined by complex ...

  7. Ohio Commercial Pesticide Applicator Requirements: Who Needs a License and What Steps to Take

    https://ohioline.osu.edu/factsheet/anr-0140

    garden center products or minimum-risk products, such as cedar oil, garlic oil, or corn gluten meal, are ... licensing and testing. Follow the steps below to become a licensed commercial applicator: Complete and mail ... — Agricultural Weed Control Category 2d — Seed Treatment Category 2e — Tobacco Sucker Control Category 2f — Soil ...

  8. Category 8: Turf Pest Control

    https://extensionpubs.osu.edu/category-8-turf-pest-control/

    lawns, turf, sod and soil areas being prepared for the production of turf for the control of pests, ...

  9. Category 8: Turf Pest Control (PDF)

    https://extensionpubs.osu.edu/category-8-turf-pest-control-pdf/

    lawns, turf, sod and soil areas being prepared for the production of turf for the control of pests, ...

  10. Core Manual Bundle

    https://extensionpubs.osu.edu/core-manual-bundle/

    pesticide use and includes a sample test is also provided in the back of every chapter. ©1990 Also included ...

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