Site

Search results

  1. 2022 Ohio Weed University

    https://agcrops.osu.edu/events/2022-ohio-weed-university

    at the 2022 Ohio Weed University. This high-impact program is designed for producers wanting to be on ...

  2. The Making of an Egg

    https://ohioline.osu.edu/factsheet/vme-0021

    cloaca and is laid. An air pocket forms between the two shell membranes and the egg’s outer shell. This ...

  3. 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 ...

  4. Winter Application of Manure- Remember Setbacks

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-41/winter-application-manure-remember-setbacks

    soils require there to be a growing crop in the field. This could be a pasture, alfalfa, clover, ... in the WLEB is a weather forecast saying “not greater than a 50% chance of a half inch or more of ... allow manure to reach surface waters. If a cover crop has been planted, talk to the local Soil and Water ...

  5. Ammonia Emission from Animal Feeding Operations and Its Impacts

    https://ohioline.osu.edu/factsheet/AEX-723.1

    50 ppm, increased levels of keratoconjuctivitis and tracheitis have been observed. These trachea and ... causes high ammonia levels inside animal production buildings, especially in winter months when the ... concentrations. People begin to detect odors at 5–50 ppm. Irritation to mucous surfaces occurs at 100–500 ppm ...

  6. Done with Harvest? Collect Sample for SCN Analysis!

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-40/done-harvest-collect-sample-scn-analysis

    action, we need to know our numbers. Managing SCN begins with an adequate and correct soil sample. We are ... excited to continue sampling soybean fields in Ohio to test for SCN with funding from the  Ohio Soybean ... time to sample for SCN and we are excited to help with this task by processing up to  TWO soil samples, ...

  7. Managing Phosphorus for Yield and Reduced Edge of Field Losses

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-35/managing-phosphorus-yield-and-reduced-edge-field-losses

    level. At 20 PPM or less, the risk of yield loss increases. Annual in season P nutrient application ... applications when STP is greater than 150 PPM. Follow NRCS 590 site and rate criteria between 40 to 150 PPM ... 8. 8. BMPs for high risk P loss sites: Monitor fields for P loss using the Ohio P risk index and ...

  8. Tillage is Useful for Managing Tar Spot and Other Diseases

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-39/tillage-useful-managing-tar-spot-and-other-diseases

    Tillage to remove and speed-up the decomposition of crop residue will help to reduce the risk of ... given that in many fields, most of the stubble that remain after harvest came from a 2021 crop with high ... levels of disease. Unless this stubble is buried or destroyed, several of the fungi that infected the ...

  9. Upcoming Ohio Certified Crop Adviser Pre-Exam Preparation Class

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-40/upcoming-ohio-certified-crop-adviser-pre-exam-preparation-class

    class will provide an overview of the CCA program, and help you prepare for the test by covering basic ... principles in the four competency areas – nutrient management, soil and water management, pest management, ... International Exams are proctored online tests. You must pass both exams to obtain Certified Crop Adviser ...

  10. Take the Test to Beat the Pest

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-37/take-test-beat-pest

    200 eggs/100 cc soil. Some fields (8%) had levels above 5,000 eggs/100 cc soil, which we know can ... to TWO soil samples, per grower, to be tested for SCN, free of charge. For more information on how to ... pathogen of soybean is that it can cause yield loss between 15 and 30% with absolutely no visible symptoms. ...

Pages