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DDT and Heptachlor as Black-fly Larvicides in Clear and Turbid Water1
Published online by Cambridge University Press: 31 May 2012
Extract
Field tests of several formulations of DDT and heptachlor as black-fly larvicides were made in 1953 and 1954 in irrigation canals in Alberta. The objectives of these tests were 1: to investigate further the relationship between larvicide effectiveness and the suspended solids content of the water, and 2: to investigate the use of formulations containing either emulsifiers or finely-divided inorganic particles which might improve larvicide effectiveness in clear-water streams.
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- Copyright © Entomological Society of Canada 1962
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