Sodic Soils Generally Have a Poor Physical Condition

Multiple Choice

Sodic soils generally have a poor physical condition.To what is this most likely due?

A) low organic matter content
B) impact of raindrops on the soil surface
C) dispersal of the Na saturated soil colloids
D) precipitation of the Ca²⁺ and Mg²⁺ ions as carbonates
E) high content of smectite in the soils