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Fertilizing Perennial Forages on Dairy Farms
test P exceeds the agronomic level of 50 ppm, there is increased potential of P losses into streams ... Many dairy farms have high levels of soil P, making the expense of fertilizer P unnecessary. When soil ... harm animals fed those forages. A recent soil test should always guide what nutrients to apply and how ...
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Interpreting a Soil Test Report
https://ohioline.osu.edu/factsheet/agf-0514
suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...
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2023 Darke County 4-H Youth Development Calendar
the calendar for Volunteer Updates, New 4-H Volunteer Orientation, Quality Assurance Test-Out, Quality ...
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Ohio Data that Shaped the Tri-State Fertilizer Recommendations
https://ohioline.osu.edu/factsheet/agf-518
that very low soil test levels require high fertilizer rates, but as soil test levels increase, our ... able to answer the question, “At what soil test level should I apply fertilizer to see a yield ... response?” To answer this question, we need to establish a critical soil test level. For each trial, we ...
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Methane Mitigation Strategies for Dairy Farms
system: Forage production systems are highly variable and dependent upon farm conditions (e.g., soil type ... productivity have been inconsistent and are limited by cost because of the relatively high levels of inclusion ... prediction of CH4 production, and the possible existence of undesirable associations between CH4 production ...
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FABE Professor's Group Selected for NASA’s ECOSTRESS Science and Applications Team
allow the team to develop novel methods to integrate ECOSTRESS and Soil Moisture Active Passive (SMAP) ...
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Quality Assurance
https://darke.osu.edu/program-areas/4-h-youth-development/quality-assurance-0
test out option. The test consists of 50 questions, multiple choice and youth must score 70% or above ... 4, 2023- 7:00pm Test-Out Option: Youth ages 12-14 and 15-18 are encouraged to participate in the ... to pass. (Ages are of 1/1/2023) Youth who pass the test in the 12-14 age group do not need to take ...
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Corn Silage and Foliar Disease
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-4/corn-silage-and-foliar-disease
contamination of corn silage and high moisture corn with many nutritionists encouraging levels below 1 ppm in ... with DON levels as high as 17.9 ppm in one hybrid and 30.3 ppm in the other hybrid. Again, fungicide ... by at least 50%. The trial was then expanded the second year, which was a high disease pressure year ...
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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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Input for Demonstration Demos
https://extops.cfaes.ohio-state.edu/extension-finance/other-resources/input-demonstration-demos
1 Start 2 Complete Name: * Email: * Demonstration Request: * CAPTCHA This question is for testing whether ...