Guide to the chemicals used in crop protection
By: by E.Y. Spencer.
Edition: 7th ed.
Series: Publication -- no. 1093 (7th ed.)
Publisher: Research Branch, Agriculture Canada
Published: 1982
Place of publication: [Ottawa]
Language: eng
Number of pages: 595
Subjects: Pesticides -- Handbooks, manuals, etc.; Pesticides -- Canada.
Notes: "December 1981"

"Catalogue no. A43-1093/1928E."

Includes bibliographical references.