If you remember my post on soil pH readings, you'll know that the color of a hydrangea is determined by the pH of the soil. One pH reading creates pink flowers and one creates blue flowers. Since these flowers are blue, do you know what the soil's pH must be?
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Remember my post on soil pH? These questions will quiz your knowledge of some of the key definitions you've read on CasaSugar. Show me how much you've learned about soil pH!
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Soil pH is a measure of the acidity or alkalinity of soil. It's measured on a scale of one to 14, with seven as the neutral mark. So, anything that measures below seven is considered acidic and anything above seven is considered alkaline.
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