Tree crops
Subtitle: a permanent agriculture
By: by J. Russell Smith.
Publisher: Harcourt, Brace and company
Published: 1929
Place of publication: New York
Language: eng
Number of pages: 333
Subjects: Trees.; Nuts.
Notes: "List of articles in which the tree crops idea has been broadcasted": p. 295; "Bibliography on soil erosion and its prevention": p. 296-301.