SAR of the normal soil is

A. Less than 15

B. More than 15

C. Less than 10

D. None of these

Answer: Option A

Solution(By Examveda Team)

SAR is the sodium adsorption ratio and is the measure of the amount of sodium relative to calcium and magnesium in the water extract from the saturated soil paste. It is the ratio of the sodium concentration divided by the square root of one-half of the calcium and magnesium concentration.
SAR of the normal soil is less than 15.