Humus has a much higher cation adsorption capacity at pH 5.5 than at pH 8.0.
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Q22: The leaf-like structure of silicate clays involves
Q23: Of the silicate clays,smectite has the least
Q24: While 2:1 type clays have significant internal
Q25: You would expect the cation exchange capacities
Q26: Isomorphous substitution involves the substitution of a
Q28: While kaolinite particles are larger than those
Q29: The high cation adsorption capacity of vermiculite
Q30: Iron and aluminum hydrous oxides are characteristic
Q31: Even at pH values near 7.0 some
Q32: Smectite and vermiculite are more prominent in
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