Abstract
Soil Quality Index (SQI) is a very useful and efficient method for assessing the quality of soil. It is a useful tool for obtaining information on overall quality of soil. Five soil attributes namely acidity (pH), Organic Matter (OM), Phosphorus (P), Potassium (K), and Electrical Conductivity (EC), have been combined to construct an index to represent the soil quality. Location characteristics were observed during the time of sampling, and it was categorized according to industrial, riverside residential and educational area. From the determination of heavy metals concentration, certain area especially nearby Pasir Gudang industry has recorded heavy metal concentration exceeded the world average value for a few types of heavy metal. Soil quality index at Sg Kim Kim recorded poor quality index whereas the other locations indicated good to average soil quality index.
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