What does the pH of soil measure?

How acidic or alkaline it is.

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  1. How acidic or alkaline it is ✔
  2. How wet it is
  3. How warm it is

Why: Soil pH tells whether soil is acidic or alkaline, which affects what plants can grow.

Huh, didn't know that: Soil pH tells whether soil is acidic or alkaline, which affects what plants can grow.

The dad joke
Soil pH is a matter of acid and base.
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References

Answer: How acidic or alkaline it is. Soil pH tells whether soil is acidic or alkaline, which affects what plants can grow.

  1. Scouting America: Plant Science www.scouting.org/merit-badges/plant-science
    including latitude, climate, air and soil temperature, soil type and pH
    Checked 2026-11-07.

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