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  1. Fertility Management of Meadows

    https://ohioline.osu.edu/factsheet/anr-5

    nutrition, forage test to check for adequate levels. When the soil pH is below 5.0, aluminum availability ... critical soil test level of 15-25 parts per million (ppm) phosphorus for Bray P1 test results or 28-40 ppm ... leaching. The critical soil test levels for potassium are 125-200 ppm. Plants have the ability to take up ...

  2. Forage Testing for Beef Cattle

    https://ohioline.osu.edu/factsheet/anr-0149

    0.12% Mg. High soil potassium levels are associated with increased incidence of grass tetany. The ratio ... (ppm). If the forage contains a high level of molybdenum (2 ppm) or sulfur at 0.25%, Cu could be ... samples are low in Zn. The recommended levels for zinc are between 30 and 1,000 parts per million (ppm ...

  3. Effects of Lime and Gypsum Application on Vegetable Yields and Nutrient Availability in Muck Soil

    https://ohioline.osu.edu/factsheet/anr-0102

    to keep organic soils at a target pH of 5.3 to minimize the risk of micronutrient deficiencies ... state that the optimal pH range of muck soils should be between 5.3 and 5.8, depending on the crop ... The application of lime had no effect on soil test phosphorus (P) or potassium (K) values, but the ...

  4. Nutrient Removal for Field Crops in Ohio

    https://ohioline.osu.edu/factsheet/anr-96

    manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...

  5. Moderate to larger-than-moderate harmful algal bloom predicted for western Lake Erie

    https://cfaes.osu.edu/news/articles/moderate-larger-moderate-harmful-algal-bloom-predicted-for-western-lake-erie

    measure 5, with a potential range of 4.5-6 on the severity index — similar to last year’s bloom, which had ... a severity index of 5.3. An index above 5 indicates more severe HABs. Blooms over 7.5 are particularly ... with a severity index of 10, and 2015, with a severity index of 10.5. The HAB severity index is based ...

  6. Gulbenkian Prize for Humanity awarded to renowned soil scientist Rattan Lal

    https://cfaes.osu.edu/news/articles/gulbenkian-prize-for-humanity-awarded-renowned-soil-scientist-rattan-lal

    carbon A globally renowned soil scientist at The Ohio State University, Rattan Lal, has been awarded the ... chosen for his pioneering work in promoting a soil-centric approach to agriculture that has been ... natural and managed terrestrial ecosystems, particularly soils. He pioneered a soil-centric approach that ...

  7. Frequently Asked Questions

    https://extension.osu.edu/FAQs

    need information on getting my soil tested! Most OSU Extension offices offer soil tesing kits for sale, ... or can direct you where to obtain one. The soil and tissue testing labs will assist you in ... interpreting the results. Here is more information on soil testing for Ohio lawns, landscapes, fruit crops, and ...

  8. Chlorinated Water Sanitation of Leafy Green Vegetables For Fresh Produce Processors

    https://ohioline.osu.edu/factsheet/aex-262

    sources to produce 200 ppm chlorinated water. Chlorine gas, stored in high-pressure vessels, can be ... 6.5. In large operations, where high levels of organic material and debris are present on the produce, ... granulated powder 65 or 68% free active chlorine high capital, high operation hazardous due to higher percent ...

  9. Mentors make it happen

    https://cfaes.osu.edu/features/mentors-make-it-happen

    the Capitol Building during Citizenship Short Course. After graduating from high school, Ayars ... make my success possible.”  After a stint teaching high school, Ayars was hired as the dairy program ...

  10. Cleaning and Sanitation Basics

    https://foodindustries.osu.edu/events/cleaning-and-sanitation-basics-4

    Basic Microbiology Characterization of Process Soils Basic Sanitation Chemistry and Water Quality ... deadline, the registration cost is $300.  A higher level course, Advanced CIP, will begin the following ... must be received before October 8 to receive a partial refund. There is a $50 cancellation fee. No ...

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