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  1. Frogeye Leaf Spot- Is It Worth Spraying in 2019?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/frogeye-leaf-spot-it-worth-spraying-2019

    only a few will form on each leaf.  So double check with your seed supplier to look at the ratings. In ...

  2. Profile of Organic Corn Growers in a Four-State Region

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/profile-organic-corn-growers-four-state-region

    five years of experience farming organically. Researchers received a 57% response rate (859 responses), ...

  3. Two New Soil Fertility Factsheets Now Available

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-22/two-new-soil-fertility-factsheets-now-available

    Recommendations are now available. Updated Grain Nutrient Removal Rates How many pounds of nutrients are removed ... how nutrient removal rates in harvested grain have decreased over the past 25 years. More information: ...

  4. Are Crops Catching Up?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-25/are-crops-catching

    closure, which will help optimize yields. However, it does not mean that the rate of development of later ... planted after late May will mature at a faster thermal rate (i.e. require fewer heat units) than the same ...

  5. Thinking about Cover Crops…… thoughts to consider

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-22/thinking-about-cover-crops%E2%80%A6%E2%80%A6-thoughts-consider

    Please note programs under #2 could have limitations to the species, rate, the life of cover crop and ... Seeding Rates and Dates If using cover crops please refer to your NRCS Appendix A at ... https://efotg.sc.egov.usda.gov/references/public/OH/Appendix_A_cover_crop_7_1_19_v3.pdf.  This guide will assist with dates and rates of planting based upon NRCS guidelines. An additional ...

  6. Mid-season diseases and management

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-24/mid-season-diseases-and-management

    whitemold does develop.  Most important, what is the resistance rating for the variety? The higher the ...

  7. What to do about Nitrogen Fertilizer in Corn?

    https://agcrops.osu.edu/newsletter/corn-newsletter/201920/what-do-about-nitrogen-fertilizer-corn

    up less than 1 pound/ acre of N before the V4 stage, but N uptake rates will increase dramatically ... through tasseling. N uptake does continue beyond tasseling and into grain fill, but at much lower rates ... determining N rates. It’s also important to consider the likelihood of economic return to invested ...

  8. What is the Nutrient Value of Wheat Straw?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-21/what-nutrient-value-wheat-straw

    “mineralization”). Once the nitrogen is in the ammonium and/or nitrate form, it is available for plant uptake. The rate of ... mineralization will be much slower. (For comparison, corn stover is reported to have a C:N ratio of 57:1.) Rate ...

  9. Noxious Weeds in Cover Crop Seed and Seed Germination

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-21/noxious-weeds-cover-crop-seed-and-seed-germination

    than 100 (Harrington’s rule) helps to minimize the rate of seed deterioration (or loss in germination ... and vigor). Seed germination is an important consideration for determining seeding rate to ensure the ... check the seed tag for both the date of the test as well as the germination when planning seeding rates ...

  10. Evaluating the Effects of NZone Max on Corn Nitrogen Efficiency in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/201918/evaluating-effects-nzone-max-corn-nitrogen-efficiency-ohio

    were tested at two N rates: a full rate of 195 lbs N/acre (100%) and a reduced rate of 147 lbs N/acre ... total comparisons (3 years, 5 stages, 2 depths, 2 N rates), both soil NO 3 and NH 4 were equally likely ...

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