Iha Education April 2010 Webinar - Plant Products

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  • 1/10 Questions

    Which factors are important to know when considering which fertilizer analysis to choose?

    • Electrical conductivity
    • Alkalinity
    • Concentrations of CA & Mg
    • All of the above
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About This Quiz


This quiz was created to review the April 15th webinar presented by Plant Products.

Iha Education April 2010 Webinar - Plant Products - Quiz

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  • 2. 

    Petunias and calibrachoa have the following characteristics:

    • Often show iron deficiencies

    • Thrive with a nedia pH lower than 6

    • Thrive with medium to high light levels

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Petunias and calibrachoa share the characteristics of often showing iron deficiencies, thriving with a media pH lower than 6, and thriving with medium to high light levels. This means that both plants commonly exhibit iron deficiencies, prefer acidic soil with a pH lower than 6, and require moderate to high levels of light for optimal growth.

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  • 3. 

    Using battery acid is just a s good as using sulfuric acid suppplied by an IHA distributor.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Using battery acid is not as good as using sulfuric acid supplied by an IHA distributor. The statement implies that battery acid and sulfuric acid are equivalent in terms of their effectiveness or suitability for a particular purpose, which is not true. Battery acid typically contains a diluted form of sulfuric acid and may not have the same concentration or purity as the acid supplied by an IHA distributor. Therefore, the statement is false.

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  • 4. 

    Plantex Solutions 19-2-19 is one of the best fertilizers to be used on petunias and calibrachoas.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Plantex Solutions 19-2-19 is a highly effective fertilizer specifically formulated for petunias and calibrachoas. These plants have specific nutrient requirements, and this particular fertilizer provides the necessary nutrients in the correct proportions. By using Plantex Solutions 19-2-19, petunias and calibrachoas can thrive and grow to their fullest potential, resulting in healthy and vibrant blooms. Therefore, it can be concluded that the statement is true.

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  • 5. 

    The EC of a water source greater than 2 mmhos/cm is good for plug production.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    An EC (Electrical Conductivity) value greater than 2 mmhos/cm indicates a high concentration of dissolved salts in the water source. This high salt concentration can be detrimental to plug production, as it can lead to osmotic stress and hinder plant growth. Therefore, a water source with an EC greater than 2 mmhos/cm is not good for plug production.

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  • 6. 

    Which statement is FALSE?

    • Ammonium toxicity occurs when blends with high urea as a component are used

    • High N competes with P

    • Sometimes nitrogen deficiency shows up on foliage as chlorosis and reddening

    • High ammoniacal N inhibits Ca and Cu uptake

    Correct Answer
    A. High N competes with P
    Explanation
    High N competes with P is the false statement. Nitrogen (N) and phosphorus (P) are both essential nutrients for plant growth, but they do not directly compete with each other. Each nutrient has specific roles in plant metabolism and functions. While high levels of nitrogen can indirectly affect phosphorus uptake and utilization, they do not directly compete for uptake or utilization within the plant.

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  • 7. 

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

    • Higher levels of Magnesium

    • Higher levels of Manganese, zinc and iron

    • Lower level of Phosphorus

    • B & C

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Plantex Solutions, 19-2-19, Fertility Plus, has higher levels of Magnesium compared to 20-10-20. It also has higher levels of Manganese, zinc, and iron. Additionally, it has a lower level of Phosphorus. Therefore, the correct answer is "All of the above" because all of the attributes mentioned are true for Plantex Solutions, 19-2-19, Fertility Plus.

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  • 8. 

    Plantex Solutions 18-9-18:

    • Is also known a no stretch

    • Can be used to decrease the media pH

    • Is the same as 20-10-20

    • All of the above

    Correct Answer
    A. Can be used to decrease the media pH
    Explanation
    The correct answer is "Can be used to decrease the media pH." This means that Plantex Solutions 18-9-18 can be used to lower the pH level of the media it is applied to. This suggests that the solution has properties or components that can effectively reduce the acidity of the media.

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  • 9. 

    Calcium (Ca), Iron (Fe) and Manganese (Mn) are mobile elements.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Calcium, Iron, and Manganese are not mobile elements. Mobile elements are those that can be easily transported within a plant, while immobile elements remain in the same location. Calcium, Iron, and Manganese are considered immobile elements because they are not easily transported and remain in the tissues where they are initially absorbed.

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  • 10. 

    Which facts are TRUE regarding magnesium?

    • Mg is part of the chlorophyll molecule

    • Mg deficiency is seen on the lower leaves first

    • Uptake of Mg is affected by K, Ca, MN, NA and NH4

    • All of the above

    • A & B

    Correct Answer
    A. Uptake of Mg is affected by K, Ca, MN, NA and NH4
    Explanation
    The correct answer is "Uptake of Mg is affected by K, Ca, MN, NA and NH4." This means that the uptake of magnesium is influenced by the presence of potassium (K), calcium (Ca), manganese (MN), sodium (NA), and ammonium (NH4). These elements can affect the availability and absorption of magnesium by plants.

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  • Apr 14, 2010
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