Factors affecting vegetable seed production in the Willamette Valley, Oregon
By: by Harold Lester Schudel.
Published: 1953
Language: eng
Number of pages: 168
Subjects: Seeds -- Oregon -- Willamette River Valley.; Seed industry and trade -- Oregon -- Willamette River Valley.; Vegetables -- Seeds.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State College, 1953.

Bibliography: leaves 153-163.