Growing earthworms
By: David S. deCalesta.
Contributors: Oregon State University. Extension Service.
Series: Extension circular -- 912.; Extension circular (Oregon State University. Extension Service) -- 912.
Publisher: Oregon State University Extension Service
Published: 1977
Place of publication: Corvallis
Language: eng
Number of pages: 10
Subjects: Earthworm culture.
Notes: Includes bibliographical references.