This is the year of multi-colored corn. The impact of the wet spring is evident. There are noticeable differences dependent on management practices, such as the rotation used: corn following corn or corn following soybean. What impact will this have on growth and final yields? As of June 11, corn across Iowa ranged from V2 to V9 (two to nine leaves), with a rough average of V6. The large variation in growth stages and plant size is in part due to the tri-modal planting dates, which will be discussed in next week's newsletter.
Iowa State University
Elmore, Roger W. and Abendroth, Lori, "Plant coloring differences based on management and weather" (2007). Integrated Crop Management News. 1054.
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