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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The physical control, management, and use of water and related land resources in such a way as to maintain or reduce salt loading and concentrations of salt in water supplies.