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Journal of Biological Sciences
Year: 2001  |  Volume: 1  |  Issue: 8  |  Page No.: 779 - 781

Measurement of Soil Organic Matter in Different Lithology of Karachi

Ghulam Abbas, Rizwana Aleem Qureshi and Sohail Jamil Qureshi    

Abstract: Different soil types of the area were collected, analyzed and classified for organic matter, pH, and density, hydrogen, oxygen, sulphur & nitrogen contents. Organic matter is maximum in shale (1.10 %), which falls in the poor category, having pH weak alkaline (7.4). Nitrogen is higher in shale sand (1.68%), which is alkaline (7.4) is considered as best for normal plant growth. Sulphur contents are higher in clay stone (3.20 %). Fertilizer recommendations were advised the farmers according to soil conditions.

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