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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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Ohio 4-H Spark Expo Returns in June
https://cfaes.osu.edu/news/articles/ohio-4-h-spark-expo-returns-in-june-0
for wherever their path may lead them after high school,” said Margo Overholt-Seckel, 4-H workforce ... CFAES admissions team and learn how to better prepare their students for their post-high school ...
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ServSafe Testing
https://mahoning.osu.edu/events/servsafe-testing-5
Testing is to be completed after an in-person or online ServSafe course. Upon a passing grade, ...
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ServSafe Testing
https://mahoning.osu.edu/events/servsafe-testing-4
Testing is to be completed after an in-person or online ServSafe course. Upon a passing grade, ...
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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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Dicamba registration vacated
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/dicamba-registration-vacated
control weeds, the use of effective soil-applied preemergence residual products will be especially ...
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Morning with the Master: Soils- Starting a New Garden
https://mahoning.osu.edu/events/morning-master-soils-starting-new-garden
Join our Master Gardener Volunteers to learn what you need to know about soils for a new or ... renovated garden. Class will cover planning for a garden, and in-depth information on garden soils and ... soils for special cases like raised beds and containers. Registration is $15 and includes the ...
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Phosphorus (P) Nutrient Use in Ohio
https://ohioline.osu.edu/factsheet/anr-0143
percent of Ohio counties had decreasing trends in mean soil test P (STP) levels between 1993 and 2015. ... a large degree for given soil test P (STP) values and crop production levels. In instances with the same ... reduced median soil test P (STP) levels across most Ohio counties from 1995 to 2015 supports this finding ...
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Innovative tech shows promise to boost rubber production in US
https://cfaes.osu.edu/news/articles/innovative-tech-shows-promise-boost-rubber-production-in-us
Emily Caldwell Developments crucial as world’s natural supply is at risk COLUMBUS, Ohio – With ... disease and high demand posing threats to the world’s primary natural rubber supply in Southeast Asia, ... tires, rubber has applications in an estimated 50,000 products. The need is urgent for a domestic natural ...
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Fertility Recommendations
https://agcrops.osu.edu/node/4423
surface residues are high. Soils that have moderate to high levels of soil test phosphorus and potassium ... current soil test levels. Considering it takes between 8 to 20 pounds of P2O5 and 5 to 10 pounds of K2O ... benefit of starter fertilizers increases when soil test levels and soil temperatures are low and when soil ...