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Herbicide Injury and the Problem of Spray Drift
https://ohioline.osu.edu/factsheet/anr-0137
but it has a high degree of uptake from the soil and is very persistent. Grape injury has been ... vineyard. Injury, however, may occur if the spray rate is too high when these herbicides are applied to soil ... may provide an acceptable level of weed control while minimizing the risk of severe grape injury as ...
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April 10, 2024- New Applicator Training- Webinar
https://pested.osu.edu/events/april-10-2024-new-applicator-training-webinar
Ornamental Weed Control (Category 6c). Attendees will choose between Industrial Vegetation (Category 5) and ... Turf (Category 8). No testing is available at the conclusion of this course. Contact the ODA to ... 8- Turf- The application of pesticides to lawns, turf, sod, or to soil areas being prepared for the ...
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Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values
https://ohioline.osu.edu/factsheet/anr-75
Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...
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Wood Destroying Insect Inspection- March 21, 2024
https://pested.osu.edu/events/wood-destroying-insect-inspection-march-21-2024
study materials for core and category 12. Pass the core test and category 12 test Complete this ... mandatory course The test will be offered upon completion of the course. You may take the test before taking ... Class Adjourns & Testing Available for Core and Category 12 Recertification Credit: Applicators ...
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Forage Kochia (Bassia prostrata)
https://pested.osu.edu/node/424
Forage Kochia (Bassia prostrata) Description: Small to medium polymorphic evergreen subshrub. Part ...
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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 ...
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Water Hemp (Amaranthus tuberculatus)
https://pested.osu.edu/node/425
Water Hemp (Amaranthus tuberculatus) Description: Erect plant up to 8 feet tall. Highly variable ... Habitat: Crop fields, disturbed areas. Prefers poorly drained soils. Flower: Narrow bracts arranged in ...
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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 ...
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Wine Grape Cultivars for the Midwest
https://ohioline.osu.edu/factsheet/anr-0138
temperatures between 0 and minus 10 degrees Fahrenheit, and vines are often killed if temperatures reach minus ... the most challenging to grow even though they produce high-quality wines and typically are the ... Generally, they are processed into juices, jams, jellies, or wines. Well-managed vineyards have high yields ...
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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 ...