Twentieth laboratory report, fiscal years 1975 and 1976
By: by Earl W. Belcher and Robert P. Karrfalt.
Contributors: Karrfalt, Robert P.; Eastern Tree Seed Laboratory (U.S.)
Publisher: Eastern Tree Seed Laboratory
Published: 1976
Place of publication: Macon, Ga
Language: eng
Number of pages: 37
Subjects: Trees -- Breeding -- United States.; Trees -- Seeds.
Other titles: A cooperative approach to better tree seed.
Notes: Cover title: A cooperative approach to better tree seed.

Includes bibliographies.