Crop production
Hughes, Harold De Mott, 1882-1969.
Crop production [by] Harold D. Hughes [and] Darrel S. Metcalfe. - 3d ed. - New York, Macmillan [1972] - xi, 627 p. illus. 24 cm.
Includes bibliographies and indexes.
75146619
633
Crop production [by] Harold D. Hughes [and] Darrel S. Metcalfe. - 3d ed. - New York, Macmillan [1972] - xi, 627 p. illus. 24 cm.
Includes bibliographies and indexes.
75146619
633