Depends more on the type of battle. In open field is mostly used 1H Bow +2x Arrow +1 1slot Melee or 2HBow +2x Arrow +0 Slot weap. For Siege most Archers prefer 1H Bow +3x Arrow or 2H Bow +2x Arrow and still +0 Slot Weapon. But if u have a very good organized team u will do this combo in battle too. Because the Archers get protection by Pikemen and so on.
In the end its better to have 4x more Bodkin-Arrows (2x Tatar-Arrows) as bows. Bows can also easiely picked up after death, while the arrows are mostly be gone.