The short answer is yes, you definitely need to brine a turkey. Turkeys are naturally ... but from there you can add citrus, apples for sweetness, onions, garlic, spices, brown sugar, bay leaves ...
Here's the entire recipe for Justin Chapple's "Citrus and Butter Turkey ... Full of flavor and spice, the Cajun brine turkey is a Bobby Flay recipe with lots of flavors, according to Flay.
This gives your brine citrus flavor from the lemons ... With your mixture all set, just stir in ice water before submerging your turkey in the sweet solution for at least eight hours.