Iha 2011 May Webinar - Fafard

10 Questions | Total Attempts: 147

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Webinar Quizzes & Trivia

This quiz was created to review the May 18, 2011 webinar presented by Fafard.


Questions and Answers
  • 1. 
    What mix component would have the highest contribution to soil water holding ability?  
    • A. 

      Peat moss

    • B. 

      Coir

    • C. 

      Coarse bark

    • D. 

      Perlite

  • 2. 
    Which mix component will wet up the slowest?  
    • A. 

      Fine pine bark

    • B. 

      Coir

    • C. 

      Styrofoam

    • D. 

      Vermiculite

  • 3. 
    A dry grower would prefer 4P over 3B.
    • A. 

      True

    • B. 

      False

  • 4. 
    Of the popular Fafard soils from GM 1PV to Fafard 52, Fafard 52 has the highest total porosity because of its coarse bark component.  
    • A. 

      True

    • B. 

      False

  • 5. 
    Air space goes up and container capacity goes down in a bark-based mix compared to a peat-based mix.  
    • A. 

      True

    • B. 

      False

  • 6. 
    When interpreting a sieve analysis large percentages of aggregate in the ___ pan(s) would indicate a high water holding medium.  
    • A. 

      20

    • B. 

      30

    • C. 

      50

    • D. 

      All of the above

  • 7. 
    Polymers tend to…..……. the impact of fertilizer salts in the media 
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Have no effect

    • D. 

      All of the above

  • 8. 
    In order for polymers to work there has to be water present in the growing system.  
    • A. 

      True

    • B. 

      False

  • 9. 
    Calcined clay incorporation typically lowers the media pH.  
    • A. 

      True

    • B. 

      False

  • 10. 
    Calcined clay can 
    • A. 

      Increase bulk density

    • B. 

      Serve as a pH buffer

    • C. 

      Improve nutrient retention

    • D. 

      All of the above

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