Iha Education July Webinar - Plant Products

10 Questions | Total Attempts: 65

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Webinar Quizzes & Trivia

The quiz was created to review the Plant Products July 2009 webinar presentation


Questions and Answers
  • 1. 
    Why should we know what the potential acidity of a fertilizer is when choosing an analysis?
    • A. 

      To quantify the amount of Ca and Mg in a fertilizer

    • B. 

      To determine what effect it will have on the media pH

    • C. 

      To check the pH of the fertilizer in solution

    • D. 

      All of the above

  • 2. 
    Plantex Solutions 19-2-19, Fertility Plus, has the following attribute compared to Plantex 20-10-20
    • A. 

      Higher levels of Magnesium

    • B. 

      Higher levels of Manganese, zinc, and iron

    • C. 

      Lower levels of Phosphorus

    • D. 

      All of the above

  • 3. 
    Which factors are important to know when considering which fertilizer analysis to choose
    • A. 

      Electrical conductivity

    • B. 

      Alkalinty

    • C. 

      Concentrations of Ca and Mg

    • D. 

      All of the above

  • 4. 
    Electrical conductivity measures the precipitates in the solution.
    • A. 

      True

    • B. 

      False

  • 5. 
    Fertilizers react with the media or soil solution and produce acid, base or neutral reaction.
    • A. 

      True

    • B. 

      False

  • 6. 
    Water with low alkalinity has this characteristic
    • A. 

      The CaCO3 level is > 300ppm

    • B. 

      The media pH decreases over time

    • C. 

      The media pH increases over time

    • D. 

      Contains a high amount of impurities

  • 7. 
    Plantex Solutions No Stretch, 15-0-20 can be used towards the end of the crop to help prolong shelf life and keep plants greener.
    • A. 

      True

    • B. 

      False

  • 8. 
    Plantex Solutions 17-5-17 Complete has this attribute.
    • A. 

      Must use the whole bag at one time when mixing up a concentrate drum

    • B. 

      Is an alternative to rotating between 20-10-20 and a Cal Mag or injecting at the same time

    • C. 

      Has a slightly acid potential acidity

    • D. 

      All of the above

  • 9. 
    Optimum growth with very high alkaline water is achieved with acid injection
    • A. 

      True

    • B. 

      False

  • 10. 
    Fertilizer blends with Calcium Magnesium in them always have a basic potential reaction to media.
    • A. 

      True

    • B. 

      False

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