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  1. Estimated and Soil Test Methods to Determine Supplemental N need after Flooding

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-19/estimated-and-soil-test-methods-determine-supplemental-n-need

    than 10 pounds of N for every 2 ppm reduction in soil sample N below the expected levels listed in ... understanding of loss mechanisms and other estimates of loss or soil tests may help decide on 2022 management in ... between 55 to 65 degrees Fahrenheit, approximately 2 to 3% of soil nitrate is lost per day under saturated ...

  2. Pre-Sidedress Nitrogen Test to Adjust N Rates

    https://agcrops.osu.edu/2022-16/pre-sidedress-nitrogen-test-adjust-n-rates

    on Pre-Sidedress Nitrogen Test (PSNT) results. Soil NO 3-N (ppm) Adjustment to MRTN recommended ... N is 156 lbs. N/acre. A farmer gets a 19 ppm soil nitrate PSNT test back from the lab. Based on Table ... soil nitrate test from the lab. Most labs provide results within 12-24 hours after receiving the ...

  3. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  4. 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 ...

  5. Managing Corn and Nitrogen with Water Excess Conditions

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-19/managing-corn-and-nitrogen-water-excess-conditions

    affected by excess water. Additionally, some research suggests a connection between soil potassium (K) ... levels and N uptake, so ensuring soils are not limiting for K is important to optimize N uptake. We are ... frequency and intensity over the past 50 years, making farming more challenging. Not new to Ohio, wet ...

  6. Nutrient Value of Wheat Straw

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-20/nutrient-value-wheat-straw

    of straw does lower soil potassium levels. If the straw is removed after heavy rainfall, some of the ... potassium may have leached out of the straw, lowering the nutrient value. However, a soil test should be ... This is especially important now with high N, P, and K fertilizer prices. The nutrient value of wheat ...

  7. Supplemental Forages to Plant in July After Wheat

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-20/supplemental-forages-plant-july-after-wheat

    matter/acre. Potential high nitrates under drought conditions. Risk of prussic acid (hydrogen cyanide gas) if ... this spring resulted in ample forage supply, but good to high-quality forage is in short supply because ... Silage quality will be lower than normal planting dates. The risk is getting it harvested at the right ...

  8. Delayed Corn Planting and the U2U Tool

    https://agcrops.osu.edu/2022-16/delayed-corn-planting-and-u2u-tool

    freeze temperature values. You can use U2U to test different scenarios and inform your decisions, ... the previous scenario, but the chances are still high. Figure 2. U2U projections for Hancock County ... mitigate the risk of fall frost or killing freeze before the crop reaches maturity. Emerged corn at the V1 ...

  9. Advanced Agribusiness Finance

    https://aede.osu.edu/courses/aedecon-4103-0

    financial analysis, time value of money, capital budgeting, risk and return, portfolio analysis, credit ... evaluation, and risk management. Prereq or concur: 3103, or BusFin 3120 or 3220. Undergraduate 2.0 In Person ...

  10. Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage

    https://ohioline.osu.edu/factsheet/AC-52

    screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... several mycotoxins, including deoxynivalenol (DON), also called vomitoxin. As a result, high levels of ... Gibberella ear rot severity and moldy grain are usually accompanied by high levels of vomitoxin. Figure 1. ...

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