When should we cut a tree? Not only A) when the incremental value of growth no longer exceeds the cost of interest, but simultaneously B) when it’s time to free the land for a new crop–leading to a shorter cutting cycle than dictated by A) alone.
Agricultural Information Series #62, N.C. State College, Raleigh, 1957. 113 pages. 2nd Impression 1960. Reformatted but unrepaginated new copy 2006. (Not copyrighted, widely copied.)