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  1. 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 ...

  2. 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 ...

  3. 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 ...

  4. 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), ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. 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 ...

  9. Wet Weather and Soybean Stand

    https://agcrops.osu.edu/newsletter/corn-newsletter/201919/wet-weather-and-soybean-stand

    population on yield is very small over the normal range of seeding rates. For soybeans planted in May, final ... in our seeding rate trials in Clark County, 100% yield (77 bu./acre) was achieved with a final plant ...

  10. Assessing the Value of Variable Seeding Rates in Corn Production

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-09/assessing-value-variable-seeding-rates-corn-production

    Third Author:  Emerson Nafziger Finding the best seeding rate is important for efficient corn ... production, but the “optimum” seeding rate – the one that maximizes profitability – can vary within and among ... fields with small differences in soils and weather. While adoption of variable rate technology is ...

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