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. The hydrangea is an unusual plant: its blooms change colour depending on the pH of the soil.  If the pH is above 6, the flowers will be pink; below 5.5 they will be blue.  A landscape gardener planned a garden for a client.  The soil in the garden had a pH of 8.5.  The gardener planted the hydrangea bush, fertilized it well, and watered it regularly with water collected in a rain barrel.  The bush bloomed, but instead of the expected pink colour, the flowers were blue. a.      Suggest an explanation for this unexpected observation  b.      What type of salt could be added to the soil to make the

. The hydrangea is an unusual plant: its blooms change colour depending on the pH of the soil.  If the pH is above 6, the flowers will be pink; below 5.5 they will be blue.  A landscape gardener planned a garden for a client.  The soil in the garden had a pH of 8.5.  The gardener planted the hydrangea bush, fertilized it well, and watered it regularly with water collected in a rain barrel.  The bush bloomed, but instead of the expected pink colour, the flowers were blue. a.      Suggest an explanation for this unexpected observation  b.      What type of salt could be added to the soil to make the

Biology 2e
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter31: Soil And Plant Nutrition
Section: Chapter Questions
Problem 4RQ: For an element to be regarded as essential, all of the following criteria must be met, except: No...
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16. The hydrangea is an unusual plant: its blooms change colour depending on the pH of the soil.  If the pH is above 6, the flowers will be pink; below 5.5 they will be blue.  A landscape gardener planned a garden for a client.  The soil in the garden had a pH of 8.5.  The gardener planted the hydrangea bush, fertilized it well, and watered it regularly with water collected in a rain barrel.  The bush bloomed, but instead of the expected pink colour, the flowers were blue.

a.      Suggest an explanation for this unexpected observation 

b.      What type of salt could be added to the soil to make the blooms pink? 

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