The build up of salts in soil as a result of the capillary flow of saline water towards the surface. A common problem in areas where the land is irrigated.
Found on http://www.encyclo.co.uk/visitor-contributions.php
refers to land that has become too salty to support life. Ill-planned irrigation schemes have greatly exacerbated the problem
Found on http://www.epaw.co.uk/EPT/glossary.html