Introduction to biological pest control in greenhouses
By: J.D. DeAngelis.
Contributors: Oregon State University. Extension Service.
Series: EC / Oregon State University Extension Service -- 1376.; Extension circular (Oregon State University. Extension Service) -- 1376.
Publisher: Extension Service, Oregon State University
Published: 1991
Place of publication: Corvallis, Or
Language: eng
Subjects: Biological pest control agents.; Pests -- Biological control.; Greenhouse gardening.
Notes: Title from caption.

"July 1991."

Includes bibliographical references (p. [6]).