Moderate
An expression of the intensity of the basic or a acidic condition of a liquid or of soil is called_____________________?
Correct answer: D. pH
- A. ESR
- B. SAR
- C. EC
- D. pH
Explanation
pH expresses hydrogen-ion activity and therefore indicates how acidic or basic a soil solution is. EC measures salinity, while SAR measures the sodium hazard of irrigation water.
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