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  1. March 20, 2024- New Applicator Training- In Person

    https://pested.osu.edu/events/march-20-2024-new-applicator-training-person

    classes. If you need recertification credits, please attend one of our Commercial Recertification ... application of pesticides to lawns, turf, sod, or to soil areas being prepared for the production of turf for ... New Applicator classes. If you need recertification credits, please attend one of our ...

  2. Japanese knotweed (Polygonum cuspidatum)

    https://pested.osu.edu/node/401

    of soil and moisture conditions. Flower: Many white flowers arranged in spikes. Bloom in August and ... birds and insects. Not all seeds are fertile. Leaves: Alternating and broad. They typically grow to 4- ...

  3. Understanding How Soil Test Phosphorus Impacts Water Quality

    https://ohioline.osu.edu/factsheet/anr-0111

    efotg.sc.egov.usda.gov/api/CPSFile/31435/590_OH_OTH_Nutrient_Management_Assesing_Nutrient_Loss_b. Wang, Y. T., Zhang T. Q., O'Halloran I. P., Tan C. S., Hu Q. C. & Reid D. K. (2011). Soil ... practices beyond 4R nutrient management (right source, right rate, right time, and right place) may be ... for subsurface drainage between 112 to 200 ppm (Table 1). Guidelines for nutrient management planning ...

  4. Ohio Agricultural Fertilizer Applicator Certification Requirements: Who Needs to Get Certified and What Steps to Take

    https://ohioline.osu.edu/factsheet/anr-0142

    or other plant nutrient. Manure and lime are exempt unless mixed with fertilizer materials or ... training focuses on the 4 Rs of nutrient management:  right source of nutrients, right rate,  place, and ... according to and in substantial compliance with a voluntary nutrient management plan (VNMP).  VNMPs are ...

  5. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/agf-0515

    Example Soil Test Results Table 2. Nutrient and Fertilizer Recommendation Worksheet with Desirable pH and ... to understand their amount and potential impact on nutrient management. For example, the fertilizer ... a soil test result and tables found in the Tri-State Fertilizer Recommendations for Corn, Soybeans, ...

  6. Canada Thistle (Cirsum arvense)

    https://pested.osu.edu/node/397

    levels such as stream bank sedge meadows. It can also be found in clay to gravely soils. Flower: Lavender ... competition for soil resources, and possibly through the release of chemical toxins poisonous to other plants. ...

  7. Perennial sowthistle (Sanchus arvensis)

    https://pested.osu.edu/node/418

    alkaline to neutral, fine textured, rich soils. Flower: Bright yellow to yellow orange clustered flowers ...

  8. Water Hemp (Amaranthus tuberculatus)

    https://pested.osu.edu/node/425

    Habitat: Crop fields, disturbed areas. Prefers poorly drained soils. Flower: Narrow bracts arranged in ...

  9. Apple of Peru (Nicandra phyhsalodes)

    https://pested.osu.edu/node/396

    in the soil due to seed dormancy. Very competitive with soybeans and vegetable crops also has a low ...

  10. Johnsongrass (Sorgum halepense)

    https://pested.osu.edu/node/402

    Root: Fibrous. Rhizomes are found close to the soil surface. They are stout with purple spots and scales ...

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