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  1. 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 ...

  2. 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 ...

  3. 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 ...

  4. 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 ...

  5. Summer General Global Education Information Session

    https://ansci.osu.edu/newsletter/student-newsletter/december-6th-2021/summer-general-global-education-information-session

    safety resources. They will also give a high level overview of each of their Summer 2022 programs! If you ...

  6. 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. ...

  7. Fall Herbicide Treatments – Just Do It – Nag Nag Nag

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-39/fall-herbicide-treatments-%E2%80%93-just-do-it-%E2%80%93-nag-nag-nag

    application): the soil temperature is above 50 F for at least 10 days between application and planting; the ... situation requiring a less aggressive burndown mixture.  So – where shortages or high prices cause ... levels that can cause injury to soybeans.  Rimsulfuron is one of the few herbicides with decent activity ...

  8. Implications of High N Fertilizer Prices on Corn N Fertilizer Recommendations

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-39/implications-high-n-fertilizer-prices-corn-n-fertilizer

    ($/lb) Price/Bushel Corn $0.45 $ 0.55 $0.65 $0.75 $0.85 $0.95 $1.05 $4.50 180 169 159 150 143 136 129 ... corn (150 – 200 lbs N/acre), each additional pound returns less and less and eventually reaches a point ... yielding a high enough return to pay for itself.   Table 1. Price per Ton of Anhydrous and 28% UAN at ...

  9. Selecting, Storing, and Serving Ohio Broccoli, Brussels Sprouts, and Cauliflower

    https://ohioline.osu.edu/factsheet/hyg-5512

    High-quality cauliflower is usually white or creamy white. A hint of green or purple is common and presents no ... 1 bushel = 25 pounds 1 medium head (about 2 pounds) = 4 servings Nutrition The Dietary Guidelines for ... sprouts into small, medium, and large sizes. If cooking multiple sizes at one time, cut the sprouts into ...

  10. Fall Soil Fertility Sampling

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-37/fall-soil-fertility-sampling

    inputs. If soil test P and soil test K levels are within the maintenance range it is extremely unlikely ... limitations and strengths (Figure 1). Zone and grid soil sampling will provide the highest level of ... information from soil test results as fields can have a great deal of variability of soil test P, K, and pH ...

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