It's harvest time, and for the fifth year in a row you can spend an afternoon feasting on the talents of organic farmers and chefs at Feast of Fields in Ottawa. Chefs are paired with area farmers to showcase this season's harvest. When: Sunday, September 13, 2009, Noon to 4:00 p.m. (food served Noon to 2:00) Where: Vincent Massey Park (near Riverside Drive and Heron Road) Tickets: Available online and at listed retail outlets I attended a pre-event to sample food made by the winners of the far