Certified tree seeds and seedlings
By: [prepared by Scott Wolff].
Contributors: Oregon State University. Extension Service.
Series: Extension circular / Oregon State University Extension Service -- 1050.; Extension circular (Oregon State University. Extension Service) -- 1050.
Publisher: Oregon State University Extension Service
Published: 1981
Place of publication: Corvallis, Or
Language: eng
Subjects: Trees -- Seedlings.; Trees -- Seeds -- Certification.
Notes: Title from cover.

"January 1981."