Farm tractor safety classes taught by University of Maine Cooperative Extension educators and area experts begin 6–8 p.m. April 3 at Union Farm Equipment, 1893 Heald Highway, Union. Courses also are scheduled in Cumberland, Kennebec, Oxford and Waldo counties. The multi-session classes are designed for adults and youth at least 14 years of age, and read more UMaine Extension farm tractor safety courses begin April 3