classify soil according to PH
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Explanation:
Soils can be classified according to their pHvalue: 6.5 to 7.5—neutral. over 7.5—alkaline. less than 6.5—acidic, and soils with pH less than 5.5 are considered strongly acidic.
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Soils can be naturally acid or alkaline, and this can be measured by testing their pH value.
Having the correct pH is important for healthy plant growth. Being aware of the long-term effects of different soil management practices on soil pH is also important. Research has demonstrated that some agricultural practices significantly alter soil pH.
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