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Anion Exchange in Saprolite

^a Dep. of Agronomy, Kansas State Univ., Manhattan, KS 66506
^b 3111 Miller Plant Sciences Building, Univ. of Georgia, Athens, GA 30602

View larger version (43K): [in a new window]   Fig. 1. Shallow groundwater system in the Piedmont region (from Rose, 1992, with permission).

View larger version (50K): [in a new window]   Fig. 2. Location of dairies in Georgia where saprolite samples were obtained for physical and chemical analysis.

View larger version (92K): [in a new window]   Fig. 3. Split-spoon sample of saprolite.

View larger version (16K): [in a new window]   Fig. 4. Anion exchange capacity (AEC) as a function of Fe content (top figure) and clay content (bottom figure).

View larger version (43K): [in a new window]   Fig. 5. X-ray diffraction patterns for W-4 saprolite samples (depth for each pattern is shown along the left margin).

View larger version (34K): [in a new window]   Fig. 6. X-ray diffraction patterns for PU-2 saprolite samples (depth for each pattern is shown along the left margin).