While it is a bit of a rarity for harvest to be completed before October 1, we're just about to do just that in 2010. What a surprise given the late, late, and even later harvest we dealt with last year, when crops were still in the field at Thanksgiving!
Kent, who farms in Central Illinois, indicates that he's 70% done with corn and 0% done with beans. Corn so far is at 160 bushels per acre. Lots of variability, but the whole field averages are at 160.
In Northern Illinois, Jim is harvesting early beans with success - 56-65 bushels per acre. The corn sprayed with Headline that Jim cut has performed better than without Headline ... the Headline crop made 205-210 bushels per acre with the other making only 170.
For a point of reference, national average yields in 2009 were 165 bushels per acre, with Illinois average hitting the 183 bushels per acre mark.
Scott reports from the eastern Illinois border that "We are about 1\4 done with field averages from 110 to 190. I hope to find more fields with the higher end of that spectrum, but know there are going to be some fields below 100 bushels per acre."