The Oregon seed certification program
By: [prepared by Ron Cook, and Harold Youngberg].
Contributors: Youngberg, Harold Wayne, 1929-; Oregon State University. Extension Service.
Series: EC / Oregon State University Extension Service -- 1090.; Extension circular (Oregon State University. Extension Service) -- 1090.
Publisher: Oregon State University Extension Service
Published: 1981
Place of publication: Corvallis, Or
Language: eng
Subjects: Seeds -- Certification -- Oregon.
Notes: Title from caption.

"October 1981."