Carbon and nitrogen contributions to Mount St. Helens volcanic sites by lupines
By: by Jonathan Jay Halvorson.
Published: 1989
Language: eng
Number of pages: 264
Subjects: Lupines -- Washington (State) -- Saint Helens, Mount.; Nitrogen -- Fixation.; Carbon.; Volcanic soils -- Washington (State) -- Saint Helens, Mount.; Saint Helens, Mount (Wash.)
Notes: Typescript.

Thesis (Ph. D.)--Washington State University, 1989.

Includes bibliographical references.

WSU:Another copy on microfilm, no. 6839.

WSU:"Department of Botany."