acid soil
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(′as·əd ′söil)
(geology) A soil with pH less than 7; results from presence of exchangeable hydrogen and aluminum ions.
Taylor's Dictionary for Gardeners:
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acid soil
Soil with a pH lower than 7. Commonly found in high-rainfall regions. A pH of 6 is considered slightly acid, pH 5 is acid, and pH 4 is very acid. Many garden plants thrive in soil with a pH between 6 and 7. See also pH.
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