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Missouri 2005 Corn Performance Tests
There are five locations in the central region of Missouri for non-irrigated corn tests and two locations for irrigated corn tests. They are located in counties where a significant number of acres of corn are grown according to the Missouri Agricultural Statistics Service. Cultural practices vary from location to location, but tend to reflect those followed by farmers in the area. Planting dates ranged from March 30 to May 10 with soil conditions being very good at all locations at planting. The Columbia and Laddonia locations were hit by light frost in late April that injured the leaves but the plants recovered fully. There was also some injury at Annada from anhydrous ammonia because of the dry spring weather. Below normal rainfall and above normal temperatures during grain-fill decreased yields over last years record levels, but the region average was still very good. There was severe lodging at the Henrietta location following a storm in mid-July. Very little disease and insect pressure was present. Climatological information for the growing season for Central Missouri (April 1 – August 31) is summarized below.
Average temperature = 70.0 degrees, 1.5 degrees above normal
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