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<p>come about through artificial processes such as <a href="page.php?w=irrigation">irrigation</a> and <a href="page.php?w=road_salt">road salt</a>.</p>

<p><big>Natural occurrence</big></p>
<p><a href="page.php?w=Salt_%28chemistry%29">Salt</a>s are a natural component in soils and water.The <a href="page.php?w=ion">ion</a>s responsible for salinization are: <a href="page.php?w=Sodium">Na<sup>+</sup></a>, <a href="page.php?w=Potassium">K<sup>+</sup></a>, <a href="page.php?w=Calcium">Ca<sup>2+</sup></a>, <a href="page.php?w=Magnesium">Mg<sup>2+</sup></a> and</p><p>
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