Saline-sodic soils are characterized by all but which one of the following? A)soil pH less than 8.5 B)exchangeable sodium percentage greater than 15 C)EC 4 dS/m or higher D)sodium adsorption ratio greater than 13 E)CaCO₃ layer near the soil surface.

Question

Quizplus · Accepted Answer

Option E (CaCO₃ layer near the soil surface) is not a characteristic of saline-sodic soils. The other options, pH less than 8.5, exchangeable sodium percentage greater than 15, EC 4 dS/m or higher, and sodium adsorption ratio greater than 13, are all characteristics of saline-sodic soils.

Saline-Sodic Soils Are Characterized by All but Which One of the Following