Crop production
By: [by] Harold D. Hughes [and] Darrel S. Metcalfe.
Contributors: Metcalfe, Darrel S., 1913- joint author.
Edition: 3d ed.
Publisher: Macmillan
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 627
Subjects: Field crops.
Notes: Includes bibliographies.