Row Spacing in tree farm
I've been growing my trees in containers so far. When I started a pickup load of pots I could manage. A bobcat and a tree spade were out of my budget.
I've had three nurserys tell me that I should put my extra land to work growing field trees. One nursery plants their trees 7 feet on centre, 9 feet between rows. He admits that if you don't harvest a double row, it can be a hassle.
Another one has them in double rows 7 feet apart, and puts 16' aisles between the double rows. I'm inclined to go this way, as most of the time I hope to sell to people who will lift their own trees, and this way they can choose.