Leaching Saline Sodic Soils
Saline soils are mostly also sodic (the predominant salt is sodium chloride), but they do not have a very high pH nor a poor infiltration rate. Upon leaching they are usually not converted into a (sodic) alkali soil as the Na+ ions are easily removed. Therefore, saline (sodic) soils mostly do not need gypsum applications for their reclamation.
Read more about this topic: Alkali Soils
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