pH - concentration of hydrogen ions in a solution, optimum soil ph - pH 6 - 7, Cation exchange - ability of soil to attract and release cation , Cation Charge - Positive , Clay/ humus charge - Negative, CEC - quantity of cations that a soil adsorbs, flocculation - clustering together of soil particles, Factors affecting CEC - Clay/ Humus content, Factor affecting CEC - pH/ Soil Texture, Liming - Adding Ca and Mg to soil ,

Chemical Charteristics of Soil

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