Automatic Greenhouses in Desert Agriculture
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Questions and Answers

What is the main advantage of automatic greenhouses?

  • Reduced labor costs
  • Increased yields and improved crop quality
  • Reduced water and energy consumption
  • Avoiding human error (correct)

    • What is the optimal temperature range for sweet pepper production in a greenhouse during daytime?

  • 21-27°C (68-77°F) (correct)
  • Below 50% RH
  • 15-21°C (59-64°F)
  • 60-70% relative humidity (RH)

    • What is a challenge of automatic greenhouses according to the text?

  • Reduced labor costs
  • Optimal growth conditions
  • High initial cost (correct)
  • Increased yields and improved crop quality

    • Which factor can lead to wilting and blossom end rot if below the critical threshold?

    <p>60-70% relative humidity (RH)</p> Signup and view all the answers

    What does a greenhouse climate digital control system consist of according to the text?

    <p>Sensors to measure the factors to be regulated</p> Signup and view all the answers

    Why is soil sterilization important in greenhouse agriculture?

    <p>To eliminate disease-causing organisms and control weed seeds, but it may lead to loss of beneficial microorganisms.</p> Signup and view all the answers

    What is the primary concern associated with fumigation as a method of soil sterilization in greenhouses?

    <p>Highly effective in killing pathogens but may raise concerns about human health and environmental impact.</p> Signup and view all the answers

    Why might some cultivars grown in greenhouses not require pollination?

    <p>Because they are either self-pollinating or parthenocarpic, meaning they can produce viable seeds without external pollination agents.</p> Signup and view all the answers

    What is the main advantage of using solarization as a method of soil sterilization in greenhouses?

    <p>It raises temperatures to kill pathogens by trapping solar heat, but requires specific weather conditions and long exposure times.</p> Signup and view all the answers

    What is the importance of self-pollination in greenhouse agriculture?

    <p>It allows plants to produce viable seeds without the need for external pollination agents like wind, insects, or animals.</p> Signup and view all the answers

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