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Books > Professional & Technical > Agriculture & farming > Pest control
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Disease Transmission by Insects - Its Discovery and 90 Years of Effort to Prevent it (Paperback, Softcover reprint of the original 1st ed. 1993)
Loot Price: R2,811
Discovery Miles 28 110
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Disease Transmission by Insects - Its Discovery and 90 Years of Effort to Prevent it (Paperback, Softcover reprint of the original 1st ed. 1993)
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About 100 years ago, it was dicovered that insects transmit grave,
mainly tropical diseases - very much to the astonishment of the
physicians of that time, who saw this as a new, possibly easy, way
of eradicating the diseases by exterminating the vectors. For some
years, DDT and other then new insecticides achieved great
improvements, but subsequently serious setbacks emerged:
insecticide-resistance and anxiety about toxicity to man and
animals. In the past twenty years, serious efforts have been made
tofind alternatives, with varying degrees of success.
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