Very little to None. Keep clean and stay down wind.
A few times I have used an early scent that I believe made a bit of a difference.
Paul Pollick's Doe Urine or Buck urine. He makes several different scents.
Very rare do I useANy scent outside of the rut. But if I usesome it is Paul Pollick's.
www.dearlures.com If you call him he will talk your ear off about it. During business Hrs.
Only reason I use any during the rut is to stop them or slow the deer down.