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Safe Use of Pesticides in Food Production; a Report [by] W.J. Darby, Chairman ... [Et Al.] (1956) / Chapter Skim
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The hazard from pesticides
Pages 3-3

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... Today about 100 active materials are being used in the preparation of over 40,000 trade brand pesticides currently registered with the Pesticide Registration Section of the Department of Agriculture. Even this relatively large number of active materials is not entirely adequate because of the multitude of pests to be controlled, the ability of certain species of pests to acquire resistance to particular chemicals, the necessity of substitution when infestation occurs immediately before harvest, and the extremely variable conditions of weather and climate under which the materials must be used.
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Key Terms

  • chronic toxicity
  • food hazard
  • active materials
  • farm accidents
  • direct bearing

  • tremely variable
  • reduce operational
  • trade brand
  • causing chronic
  • infestation occurs

  • biological changes
  • tional hazards
  • food contamination
  • animals exposed
  • accidents involving

  • acquire resistance
  • pesticidal chemicals
  • chronic effects
  • quate instructions
  • pesticides currently

  • food reaching
  • brand pesticides
  • variable conditions
  • final food
  • ical tools

  • particular chemicals
  • inherent toxicity
  • evaluate hazard
  • involving pesticidal
  • instructions regarding


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