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the mobility and the potential for leaching of pollutants such as [[metals]] into the groundwater system.
 
the mobility and the potential for leaching of pollutants such as [[metals]] into the groundwater system.
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In humid temperate regions, the optimum soil pH range for most plants is between 6.0 and 7.5 (Craul, 1999). More acidic soils inhibit the solubility of potassium, sulfur, calcium, magnesium and molybdenum, while increasing the solubility of iron, manganese, boron, copper and zinc.  
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In humid temperate regions, the optimum soil pH range for most plants is between 6.0 and 7.5 <ref> Craul, P.J. 1999. Urban Soils: Applications and Practices. John Wiley & Sons, New York.</ref>. More acidic soils inhibit the solubility of potassium, sulfur, calcium, magnesium and molybdenum, while increasing the solubility of iron, manganese, boron, copper and zinc.  
    
The solubility of [[phosphorus]] and [[nitrogen]] are reduced in both acidic and basic soils.
 
The solubility of [[phosphorus]] and [[nitrogen]] are reduced in both acidic and basic soils.
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