THE origin of the term "Tree Farm" is somewhat indefinite. The earliest use of the term that I have been able to find was by Stewart H. Holbrook. He used it in an editorial reference to the enactment of the Oregon Forest Fee and Yield Tax in 1929 which he said "would assure the tree farmer, that is the logging operator." Col. W. B. Greeley used it as the title of an article in Nations Business in September, 1931, under the heading "The Tree Farmer Gets a Chance." Gifford Pinchot also used it in a letter contesting a political controversy in which he said "Wood is a crop; Forestry is Tree Farming."
"TREE FARM PROGRAM SINCE WORLD WAR II,"
Ames Forester: Vol. 43
, Article 4.
Available at: https://lib.dr.iastate.edu/amesforester/vol43/iss1/4