A Monroe man was sentenced in Green County Circuit Court Friday to 90 days in jail and four years of probation for stealing John Deere tractors from three rural Monroe farms last spring.Mark Dieckman, 27, told the judge the thefts, all Class I felonies, were a "dumb choice. ""I'm a John Deere man. I feel bad that I took these tractors because I know they needed them," he said.