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Online Recertification for Commercial Pesticide Applicators
https://pested.osu.edu/OnlineRecertCommercial
completed your hours. *Categories 2f- soil fumigation, 3b- boat antifoulant, 3c- sewer root control do not ...
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Online Webinar- New Pesticide Applicator Training- October 11, 2023
https://pested.osu.edu/events/online-webinar-new-pesticide-applicator-training-october-11-2023
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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Establishing Alfalfa and Weed Management
be between 25 and 50 ppm. The Mehlich III soil test P concentrations should be between 40 and 79 ppm ... . The recommended rate of potash is based upon the soil test level in ppm, the cation exchange capacity, ... and yield goal. If lime is required and the Bray P1 soil test value for phosphorus is below 25 ppm ...
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Dairy Outlook: September 2023
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-25-issue-5/dairy-outlook-september-2023
down 9 lb from July 2022. Very high temperatures and dry weather are the primary factors in reduced ...
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Fertility Management of Meadows and Pastures
from legumes. For good yields of forage, soil P levels need to be maintained at 15 to 25 ppm (30 to 50 ... lb/acre). Potassium soil levels should be 125 to 200 ppm (250 to 400 lb/acre). On many livestock farms that ... commercial fertilizer application will not affect crop yields. Soil P levels of over 35 ppm and K levels of ...
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Seeding Perennial Forages in Late Summer
6.0 or above. The optimal soil phosphorus level for forage legumes is 30 to 50 ppm Mehlich-3 and for ... grasses 20 to 30 ppm Mehlich-3. The optimal soil potassium level is 120 to 170 ppm for most of our soils ... moisture and increases the risk of soil crusting. Follow the "footprint guide" that soil should ...
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Fluoride
https://ohiowatersheds.osu.edu/node/1518
to promote dental health. HEALTH EFFECTS If levels are below 0.7 ppm please consult your dentist or ... 4.00 mg/L mg/L ppm Inorganic trace constituent MCL MCL ADVISORY- ACTION IS HIGHLY RECOMMENDED Fluoride ... optimum level of fluoride in drinking water has been a range of 0.7-1.2 ppm and in Ohio the recommended ...
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Forage Planting – How to Do It Well
Soil phosphorus should be at least 20 ppm for grasses and 30 ppm for legumes, while minimum soil ... potassium should be 100 ppm for sandy soils less than 5 cation exchange capacity (CEC) or 120 ppm on all ... overwork the soil. Too much tillage depletes moisture and increases the risk of surface crusting. Firm the ...
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Feeding High Ash Forages
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-21-issue-6/feeding-high-ash-forages
greatest potential risk of high ash forages is ruminal or abomasal impaction. The soil particles that the ... concentrations decrease as plants mature and is greater in forages grown in soils that contain high ... magnesium should be fed in that situation. High potassium forages also increases the risk of milk fever when ...
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Late Summer Establishment of Perennial Forages
6.0 or above. The minimum or critical soil phosphorus level for forage legumes is 30 ppm Mehlich-3 and ... for grasses 20 ppm Mehlich-3. The critical soil potassium level is 120 ppm for most of our soils ... increases the risk of soil crusting. Follow the "footprint guide" that soil should be firm enough ...