My advice is to be a slave to the wind. Many treestand bow hunters and gun hunters can sometimes cheat the wind a little bit and sometimes a lot, depending on how variable the winds. Not so on the ground with traditional bows. For example, if winds are variable from the south, then you really have to stay out of any setup that doesn't have you on the north side of the trail. You're too close and at nose level, where swirling variable winds "pollutes" the whole area. Thermals will cause the same problems.
Other advice is, if hunting heavily pressured deer, you'll need far more cover around you than you think. I've hunted in Illinois and Texas with light pressure and could get away with sitting almost in the open. But in Michigan, where my family property is located, we have upwards of 20 deer hunters per mile. Even fawns will bust you if you don't have lots of cover.
If you put lots of cover infront and behind you, I suggest having little "windows" to see deer coming. I equate my style of ground hunting deer to that of pass shooting ducks. Ground hunting a trail in thick cover allows you good shots at very close range, but the shooting can be fast. Meaning, the deer suddenly show up, are walking down a trail and can be past you in a matter of seconds. Basically, the deer I've killed using this method had about 10-30 seconds from the time of sighting them to when the arrow was released. Fast shooting, but a productive method.