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  1. How to separate flooding injury from Phytophthora seedling and stem blight

    https://agcrops.osu.edu/newsletter/corn-newsletter/2017-20/how-separate-flooding-injury-phytophthora-seedling-and-stem

    loss associated with flooding injury are directly related to the amount of time the plants are in a low ...

  2. C.O.R.N. Newsletter 2006-03

    https://agcrops.osu.edu/newsletters/2006/03

    “season-long” grass control, so the generic products may not have the same level of manufacturer support in the ... exceed future crop N needs or 250 lbs P2O5/acre. If soil test P level is excessive applications may be ... of P that is water soluble and therefore may be considered a potential water quality threat. Follow ...

  3. C.O.R.N. Newsletter 2007-40

    https://agcrops.osu.edu/newsletters/2007/40

    results are now posted at http://www.oardc.ohio-state.edu/soy2007/ and there is some good news this year. ... news of all is that less than 15% have very low levels of partial resistance. Partial resistance levels ... Information learned from this survey may be used to design and implement improved CORN newsletters. Completing ...

  4. C.O.R.N. Newsletter 2006-22

    https://agcrops.osu.edu/newsletters/2006/22

    Spores may be blow in from other location. For common rust, spores are generally blown in from southern ... rectangular in shape, and flanked by the veins of the leaf. When fully expanded, individual lesions may be ... produce a new crop of spores. Once these spores infect a new leaf, it may take another 7 to 14 days (or ...

  5. C.O.R.N. Newsletter 2011-06

    https://agcrops.osu.edu/newsletters/2011/06

    42,000 plants/A and the extensive stalk damage may have accounted for the absence of yield increases ... population is often limited. Under severe drought conditions, yield may even decrease at higher plant ... adequate for optimal yields in most production environments planted in late April and early May. For fields ...

  6. Wheat Crop Update: The Crop May be Further Along Than You Think

    https://agcrops.osu.edu/newsletter/corn-newsletter/2014-11/wheat-crop-update-crop-may-be-further-along-you-think

    looking at the height of the crop from the road, since these relatively cool temperatures may have ... different growth stages. Growers who rely on the height of the crop as an indicator of crop development may ... split applications). Yield losses may occur if the first N application occurs after these stages. Adding ...

  7. C.O.R.N. Newsletter 2005-09

    https://agcrops.osu.edu/newsletters/2005/09

    moisture may be justified. If we were to experience a major change in weather to cooler and wetter than ... temperatures are cooler, averaging 60 and 45 degrees after planting, 5 GDDs accumulate per day, and it may take ... measured at the 2-inch soil depth) may be considerably cooler, in the 50 to 60 degree F range. Seedling ...

  8. C.O.R.N. Newsletter 2013-01

    https://agcrops.osu.edu/newsletters/2013/01

    issues.  We seem to have arrived at that point with metribuzin.  This is of course not news to those ... may be lower than it was 30 years ago when higher rates of atrazine were being used in the preceding ... lower “Roundup Ready rates” of products can reduce the residual activity in late May and June when ...

  9. Did you calibrate your sprayer? Here is an easy way to do it

    https://agcrops.osu.edu/newsletter/corn-newsletter/2017-15/did-you-calibrate-your-sprayer-here-easy-way-do-it

    rate, only by carefully calibrating the sprayer. While applying too little pesticide may result in ... ineffective pest control, too much pesticide wastes money, may damage the crop and increases the potential ...

  10. Update on Kudzu Bugs in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2014-20/update-kudzu-bugs-ohio

    yet in Ohio. This year, the Ohio Soybean Council is supporting a trapping network to help us detect ...

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