It is Hoosier Harvest Week. The term "Hoosier" is a nick name for those from the state of Indiana.
In the Webster's Third International Dictionary, 1976, the definition of hoosier is:
1: an awkward, unhandy, or unskilled person; especially: an ignorant rustic.
In the Dictionary of American Regional English, the definition of hoosier is: A hillbilly or rustic; an unmannerly or objectionable person.