Unfortunately, I do not have a really good answer to your question. I don't think baiting will deter someone who is already breaking the law by trespassing. If I wanted to keep people off my land, I would start by posting it. I would also make it known that I intend to prosecute violators. Depending on what type of individuals are doing the trespassing, hopefully you will not have any issues. I have seen cases where land got posted and soon after, their hunting cabin was broken into and trashed, etc. In each of those instances, the land was posted as soon as it was purchased so the vandalism/thefts may have happened even without posting the land.
Trespass is a difficult issue to deal with but I do not think baiting would solve anything for you.