I was wondering the same thing..
I am also noticing this summer that much of th corn this year is growing much taller, faster than usual? I went out last night to a cornfield with a cousin and were scouting for deer, The corn was easily 12 foot already but with only one to two ears of corn per plant, most only had one? There is a fairly new seed company on m-37 that to my understanding is supplying many of the farmers with seeds around this area. Something is diffrent about alot of the corn round here " this year"?