The effects of nitrogen on frost tolerance of Tsuga heteropylla
By: by Tony Skowlund.
Series: Problem series - Huxley College of Environmental Studies, Western Washington State College; Problem series (Huxley College of Environmental Studies)
Publisher: Huxley College of Environmental Studies, Western Washington State College
Published: 1981
Place of publication: Bellingham, Wash
Language: eng
Number of pages: 30
Subjects: Western hemlock -- Frost resistance.; Nitrogen fertilizers.
Notes: Includes bibliographical references.