Salinity control relates to controlling the problem of soil salinity and reclaiming salinized agricultural land. The aim of soil salinity control is to to prevent soil degradation by salinization and reclaim already salty (saline) soils (see also land reclamation) Soil reclamation is also called soil improvement, rehabilitation, remediation, recuperation, or amelioration. The figure shows an example of declining crop yields caused by high soil salinity. It was made with the SegReg program.
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A condition in which specific or total dissolved solids removed from a specified field, stratigraphic zone, political area, or drainage basin equals the comparable dissolved solids added to that location from all outside sources during a specified period of time.