Browsing Extension & Experiment Station Communications by Author "Torgeson, D. C. (Dewayne Clinton), 1925-"

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Phytophthora root rot diseases of Lawson cypress and other ornamentals

Oregon State College. Agricultural Experiment Station; Torgeson, D. C. (Dewayne Clinton), 1925-; Young, Roy A. (Roy Alton), 1921-; Milbrath, John A., 1909- (Corvallis, Or. : Agricultural Experiment Station. Oregon State College., 1954-01)