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CH3041
SOIL CHEMISTRY III
• Rainwater
percolates thru the topsoil carrying dissolved
& colloidal material to the subsoil where it is deposited.
• Also carried are carbonic
acid, organic acids & complexing compounds (eg. oxalate)
that alter 1o mineral
composition.
• Soil chemistry
focuses on identifying the chemical
composition of the soil horizons and understanding the chemical processes responsible
for the weathering and transformation of the parent
& organic materials to form
the soil.
