(Lafayette, OR)  --  Yamhill County authorities are investigating, after a woman's body was found in an agricultural field in the community of Lafayette.  Sheriff's deputies say the body was spotted by passersby around 1:15 yesterday afternoon.  The Oregon State Police Forensic Division is working to identify the body.  The sheriff's office tells KOIN-TV the body doesn't appear to be connected with any recent missing-persons reports in the area.