White mineral in alkaline soils and salt deposits

Saline and Alkaline soils were characterized by which of the following properties?
1. They are found in drought-prone areas.
2. They can be reclaimed by adding gypsum.
3. They are texturally sandy-loams.

1. 1 & 2 only
2. 1 & 3 only
3. 2 & 3 only
4. All the above

Answer

Option 4 : All the above

White mineral in alkaline soils and salt deposits