I have so many questions. Do the rows run north-south or east-west? Is there a formula for how widely spaced the rows need to be? Is the pruned wood buried or l

I have so many questions. Do the rows run north-south or east-west? Is there a formula for how widely spaced the rows need to be? Is the pruned wood buried or left on the surface? Looking forward to the product you mentioned in another post too! :)