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  1. C.O.R.N. Newsletter 2011-20

    https://agcrops.osu.edu/newsletters/2011/20

    situations. Let's assume that a farmer planted corn on May 10 and June 4 at a seeding rate sufficient to ... applied to optimize their efficacy. Another question concerning reduced stands is whether N rates should ... over 30-inch rows in the rate at which they increase leaf area and sunlight interception. While any ...

  2. Evaluate Alfalfa Stands For Winter Injury

    https://agcrops.osu.edu/newsletter/corn-newsletter/2014-08/evaluate-alfalfa-stands-winter-injury

    every 5 to 10 acres and examine the crown and roots of the plants. The winter survival rating determined ...

  3. C.O.R.N. Newsletter 2004-23

    https://agcrops.osu.edu/newsletters/2004/23

    N deficiency apply a few “reference” (or N rich) strips in the field. The strips should receive an N rate ... soil? Maybe. It is likely a combination of the three things pointed out above. If N rates were a little ... N rates were high (>220 lbs/A), the likelihood of losing enough N this year to denitrification/leaching ...

  4. C.O.R.N. Newsletter 2008-02

    https://agcrops.osu.edu/newsletters/2008/02

    effective against this fungus. The seed treating process can damage seed and reduce the germination rate ... (cold, wet soil with pathogens present). For this stress test, a 70 percent or higher germination rate is ... considered very high quality, and a germination rate below 59 percent are very risky under adverse conditions ...

  5. C.O.R.N. Newsletter 2012-31

    https://agcrops.osu.edu/newsletters/2012/31

    hybrids and varieties, removal rates are similar enough that book values can be used to estimate nutrient ... removal from the harvested portions of crops. Phosphorus and potassium removal rates based on Tri-State ... Nitrate-nitrogen levels lower than 25 ppm have an increased likelihood of yield response, but the rates should not ...

  6. C.O.R.N. Newsletter 2013-35

    https://agcrops.osu.edu/newsletters/2013/35

    large with a well-established root.  There are ratings for pasture herbicides on page 154 of the current ... “Weed Control Guide for Ohio and Indiana”, including ratings for dicamba, 2,4-D, and glyphosate.  ... mentioned here.  While relatively low rates of these herbicides are effective on most winter annual weeds, ...

  7. C.O.R.N. Newsletter 2008-41

    https://agcrops.osu.edu/newsletters/2008/41

    label-recommended rates, using high-clearance spray equipment calibrated to deliver approximately 20 GPA. At the ... seed companies and suppliers participated in the 2008 test. The relative maturity ratings of the hybrid ...

  8. C.O.R.N. Newsletter 2004-36

    https://agcrops.osu.edu/newsletters/2004/36

    nutrient concentrations are tillage, fertilizer rates and application methods, and the form of nutrient ... concern, (3) relatively low rates of fertilizer applied in the past, (4) no history of manure application, ... obtained from the North Central Regional publication Report 348 entitled “Soil Sampling for Variable Rate ...

  9. C.O.R.N. Newsletter 2004-34

    https://agcrops.osu.edu/newsletters/2004/34

    adverse field conditions and usually represents the lowest germination rate that would be expected from ... approximate germination rate is needed quickly. This test will not indicate disease as a warm germination test ... percent of full size will probably dry down at the normal rate and be harvestable. Less mature grain may ...

  10. C.O.R.N. Newsletter 2010-01

    https://agcrops.osu.edu/newsletters/2010/01

    ratings. For those historic Sclerotinia fields, it must also have a Sclerotinia rating. For SCN – put the ... from quality clay for pottery – you know what I mean. Be sure you’ve got the best rate for ...

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