Impact of cover crops on weed abundance and nitrogen contribution in broccoli, Brassica oleracea var. italica, production systems in the maritime Pacific Northwest
By: by Segundo Nova Augustia.
Published: 1995
Language: eng
Number of pages: 92
Subjects: Cover crops.; Broccoli -- Yields.; Broccoli -- Weed control.
Notes: Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1996.

Includes bibliographical references.