Science for better living.
Series: Its Yearbook of agriculture,; 1968; Yearbook of agriculture (Washington, D.C. : 1926) ;; 1968.
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1968
Place of publication: [Washington
Language: eng
Number of pages: 386
Subjects: Agriculture -- Research.
Notes: Includes bibliographies.