Spraying
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
Collections:
Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...horticultural practice of applying fungicides, insecticides, and herbicides, usually in solution...fungicide ; nicotine, arsenic, or DDT for an insecticide . A criterion for any spray is that...the use of poisonous sprays such as DDT cannot be overestimated, particularly...