Origin of old field
Examples from the Web for old field
Shaggy backwoodsmen met in "old-field" log schoolhouses and denounced "the steal."The Life of John Marshall Volume 3 of 4|Albert J. Beveridge
Well, old-field pine is good enough manure for a man who has plenty of land and can take his time.
There were, besides, some small schools in the colony, probably such as are now known as "old-field schools."History of the Colony and Ancient Dominion of Virginia|Charles Campbell