Tuesday, February 21, 2012

5.4a Pesticides

  • Large fields of crops of the same type = monoculture 
  • Monocultures attract a lot of pests, this reduces prodcutivity (food and finacial gain)
  • To reduce the amount of pests, farmers use pesticides which are chemicals that kills the pest
  • Advantages to pesticides is that it is easy to obtain, apply and are very effective
  • Disadvantages to pesticides is that they are toxic and are harmful to humans and animals

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