I've taken several bucks during firearm season with my bow, and in all cases I switched tactics to cater to pressured animals. First, I hunt thicker cover where bucks dive into when the pressure is on. Field edges may work in unpressured areas, but that is seldom a reality during a firearm season. Next, beat the crowds in. If you expect others in your hunting area sneak to your stand an hour earlier so when the army invades they'll push animals your way. Lastly, be safe. If you use calls or still-hunting methods be sure to wear extra orange. I'd skip the decoys unless you're the only one with a key to the gate and you have an unwavering trust in your fellow man.