It depends on the soil. The goal is to break the entire bed. Really dry soil will break further out from the ripper...wet soil will just slice. If you're running a single tooth, you'll probably have to make a pass two feet apart or so.
My tiller tines tend to sharpen themselves and wear away. I need to build them up with weld to prolong their life.
We discuss any variety of tobacco, as well as numerous approaches to growing, harvesting, curing, and finishing your crop. Our members will attempt to provide experience-based answers to your questions.