Legislation in Canada to prevent the introduction and spread of insects, pests and diseases destructive to vegetation - with regulations regarding the importation of vegetation into Canada
Contributors: Hewitt, C. G.
Series: CANADA DEPT. OF AGRICULTURE CENTRAL EXPERIMENTAL FARM BULLETIN SECOND SERIES -- 11; CANADA Department. OF AGRICULTURE CENTRAL EXPERIMENTAL FARM BULLETIN SECOND SERIES -- 11
Published: 1912
Language: eng
Subjects: Agricultural pests; Insect pests; Control; Law and legislation; Ennemis des cultures