Seasonal patterns of apparent photosynthesis in Pseudotsuga menziesii (Mirb.) Franco in relation to environment and silvicultural treatment
By: by John Andrew Helms.
Published: 1963
Language: eng
Number of pages: 237
Subjects: Photosynthesis.; Douglas fir.
Notes: Vita included.

Thesis (Ph. D.)--University of Washington, 1963.

Bibliography: leaves 214-225.

Microfilm-xerography. High Wycomb, Eng. ; Ann Arbor, Mich. : University Microfilms, 1970.