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Northern Illinois Agriculture

University of Illinois Extension

Summer like weather

Posted by Russel Higgins -

Weather seems to have turned in favor of crop growth. After reaching 85 degrees today we are expecting several days of above average temperatures. Most of the corn at the Research center is between V6 and V7 and should exhibit very rapid growth under the expected conditions.The corn at the NIARC is exhibiting great color and lack of nitrogen at our location is not an issue. We have several studies that contrast corn following corn and corn following soybean, and the difference at this point in the growing season is easily recognizable. Harvest data will tell us if the corn following corn catches up. Dr. Emerson Nafziger addressed several reasons why the need for late season nitrogen is not widespread. We did not lose much nitrogen and conditions are currently suitable for mineralization of N from our soils. Emerson's Bulletin article "Nitrogen in Late Spring" can be accessed here.

At the NIARC we have been cutting alleys, applying post herbicides and making early season evaluations of trials. A number of researchers, Including Dr. Carl Bradley have been on site evaluating their research. Carl was applying fungicides to the 2014 oat trial on Friday.

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