Tuesday, February 21, 2012

5.4 Pest Control and Biological Control

  • Pest control
    • Pests
      • Organisms that reduces the yield of crops
      • Damages farming
    • Pesticides
      • Can be used to kill pests
      • Advantages
        • Doesn't harm humans, only pests
        • Helps to keep the yield strong
        • All crops capable
        • Easy to apply
      • Disadvantages
        • Expensive
        • Pest can develop resistance
        • Harmful to environment
        • Can kill insects
          • Pollinating ones are important
          • Can wipe out food chain
        • Not 100% effective
  • Biological control
    • Controlling pests through introducing their natural predetors
    • Advantages
      • No poison involved
      • Almost all crops are affected
    • Disadvantages
      • Expensive
      • Difficult to apply
      • Not suitable for allcrops


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1 comment:

  1. carl canFebruary 21, 2012 at 6:25 PM

    Very informative post. Thanks for taking the time to share your view with us. orem pest control

    ReplyDelete

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