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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. Plant Population

    https://agcrops.osu.edu/node/4337

    for mid-June plantings should be in the range of 130,000 to150,000 plants per acre. Final populations ... and depends on such things as soil moisture conditions, seed-soil contact, disease pressure, fungicide ... seed treatments, etc. Final harvest stands are typically 60 to 80 percent of the seeding rate when high ...

  3. Seeding Perennial Forages in Late Summer

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-24/seeding-perennial-forages-late-summer

    phosphorus level for forage legumes is 30 to 50 ppm Mehlich-3 and for grasses 20 to 30 ppm Mehlich-3. The ... optimal soil potassium level is 120 to 170 ppm for most of our soils.   Check herbicide history of field. ... contact. Be aware that too much tillage depletes soil moisture and increases the risk of soil crusting. ...

  4. Weather Update: A Winter Preview Before Warmer Weather Returns

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-36/weather-update-winter-preview-warmer-weather-returns

    week will be dominated by an upper-level low pressure system that will move through the Great Lakes, ... growing season across the state. Highs through  Wednesday are only expected to top out in the mid to upper ... 40s at best. Conditions will start to impove on Thursday, with sunshine returning and highs in the low ...

  5. Variety Selection

    https://agcrops.osu.edu/variety-selection

    a high partial resistance rating to address that problem. The selection of medium or small seed when ... varieties is tested for yield over a range of environments, their rank order commonly changes, which ... and lodging are problems, then select varieties that are medium to short in height with good ...

  6. Autumn Forage Harvest Management

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-31/autumn-forage-harvest-management

    cutting. Soil drainage and soil moisture affect the risk of fall cutting.   High soil moisture slows down ... in between these times (mid-September to mid-October) means more risk to the stand. Factors such as ... previous cutting management, age of stand, soil fertility, variety, and soil moisture affect the level of ...

  7. 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 ...

  8. Using Soil Tests Phosphorus Results to Identify Agronomic and Conservation Needs

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-30/using-soil-tests-phosphorus-results-identify-agronomic-and

    chance of more than 0.5 inches of rainfall. Soil Test Phosphorous (STP) values are above 50 PPM Mehlich ... water quality. Fields with Soil Test Phosphorus (STP) levels two to three times higher than the ... Between 20-40 PPM (or 30-50 PPM if wheat/alfalfa are in the rotation) Greater than 50 PPM More detailed ...

  9. Combine Fire Prevention

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-38/combine-fire-prevention

    start in the engine compartment, other locations on the combine can be at risk for fires. The primary ... can vary between leaking fuel or hydraulic oil, dry crop residues, and nests in engine compartments or ... converters from other vehicles driving in the field can pose a risk to the dry field fodder. Smoldering ...

  10. Fall Herbicide Applications in Dry Conditions

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-39/fall-herbicide-applications-dry-conditions

    most effective when daytime temperatures are in the 50s or higher, and nighttime temps above 40. ...

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