Spraying
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
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Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...a fungicide ; nicotine, arsenic, or DDT for an insecticide . A criterion for any...in the use of poisonous sprays such as DDT cannot be overestimated, particularly...See bulletins of the U.S. Dept. of Agriculture...