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What is the best pH of soil for cultivation of plants?

1. 3.4 – 5.4
2. 6.5 – 7.5
3. 4.5 – 8.5
4. 5.6 – 6.5

Correct answer: 6.5 – 7.5

Solution

Most plants grow best in slightly acidic to neutral soil, where essential nutrients are readily available and root activity is optimal. A pH of 6.5–7.5 fits this ideal range better than the more acidic options.

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