I CAN make it as wide as I want , but space is a premium because what I don't use is used for corn or beans. If dirt works out ok I will end up having very tall trees at one end and the crop on the other end. Along the other sides would be the crop and opposite would be my lawn.

I can imagine that dealing with corn is going to be much worse than beans because of the height. I know the tall trees are hard to deal with if I want to approach from that direction.

You made me have another idea: I don't think I would make 100' wide , but I could make an L shaped runway (2 of them really at 90 degrees from each other) That way I can land in any one of 4 directions. Maybe that would allow me to keep the width down to a minimum. Ha, the North/south one could be 600 ' long.