What is the proper pH level for soil?

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The pH scale is from 0 – 14 with 7.0 being neutral. Below 7.0 is considered acidic and above is considered alkaline conditions. The pH should be slightly acidic between 6.5-6.8 for ideal soil conditions. To raise or lower the pH level, a soil test is required to determine necessary amounts of additives such as limestone or sulfur.

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