The hidden enemy
Subtitle: root rot technology transfer ; for practical use in the field : a forester's guide to identification and reduction of major root rots in Ontario
By: R.D. Whitney.
Publisher: Minister of Supply and Services Canada
Published: 1988
Place of publication: [Ottawa, Ont.]
Language: eng
Number of pages: 35
Subjects: Root rots -- Ontario; Trees -- Diseases and pests
Notes: "Catalogue no. Fo42-106/1988E."