conservation of the nation's vegetation
Subtitle: the effect of smoke on plant life
By: by Robert W. Ascroft.
Publisher: Knapp, Drewett & Sons, Printers
Published: 1926
Place of publication: London
Language: eng
Number of pages: 25
Subjects: Plants, Effect of air pollution on.; Plants, Effect of smoke on.
Notes: Cover title.

Includes bibliographical references.