Biological control programmes against insects and weeds in Canada, 1959-1968.
By: [By the Canadian Dept. of Agriculture and Dept. of Fisheries and Forestry]
Contributors: Canada. Dept. of Fisheries and Forestry.
Publisher: Commonwealth Agricultural Bureaux
Published: 1971
Place of publication: Slough
Language: eng
Number of pages: 266
Subjects: Insect pests -- Biological control -- Canada.; Weeds -- Biological control -- Canada.
Notes: Includes bibliographical references.