Comparative efficiency of energy use in crop production
By: G.H. Heichel
Series: Bulletin / Connecticut Agricultural Experiment Station -- no. 739; Bulletin (Connecticut Agricultural Experiment Station) -- 739.
Publisher: Connecticut Agricultural Experiment Station
Published: 1973
Place of publication: New Haven
Language: eng
Number of pages: 26
Notes: Cover title.

Includes bibliographical references (p. 20-22).