John N. Thomson

Identifiers

Open LibraryOL5529271A

Top Subjects

Fongicides (1)
Statistics (1)
Herbicides (1)
Statistiques (1)
Pesticides (1)
Fungicides (1)
Canada (1)

Books by John N. Thomson

Total count: 2

Environmental contaminants inventory study no. 1statistics on the use of pest control products in Canada

Inland Waters Directorate, Canada Centre for Inland Waters1973-01-01
Statistics on the use of pest control products in Canada.

Canada Centre for Inland Waters1974-01-01