Corn following corn is in rough shape in areas across Iowa. Many wonder what is happening. The crop’s condition in general is not normal for this time of year. For example, last Sunday the USDA rated this year’s Iowa corn crop as 54 percent in ‘Good’ to ‘Excellent’ condition and 15 percent is ‘Poor’ or ‘Very Poor.’ Last year 72 percent was rated ‘Good’ to ‘Excellent’ and 5 percent was in ‘Poor’ or ‘Very Poor’ condition during the same week. Average plant height as of Sunday was 24 inches compared to 40 inches at end of the same week last year.Growing Degree Days continue to lag behind normal all over the state.
Iowa State University
Al-Kaisi, Mahdi; Elmore, Roger W.; Mallarino, Antonio P.; Pedersen, Palle; Robertson, Alison E.; Sawyer, John E.; and Tollefson, Jon J., "Corn Following Corn in 2008" (2008). Integrated Crop Management News. 806.
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