organic matter, living organisms, moisture content, soil porosity and density  , soil structure , soil texture, cementation, seperation, metamorphic rocks , igneaus rocks , sedimentary rocks , chemical weathering , physical weathering , biological weathering , hygroscopic water , gravitational water , capilary water , permanent wilting poin , loamy soils, clay soils , basin peat , blanket peat , leaching , cation exchange , aggregate , gley soil .

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