Sorption Isotherms - Transport and Fate of Chemicals in Soils: Principles and Applications - page 14

TABLE 1.3
Taxonomic Classiication and Selected Chemical and Physical Properties of the Soils Named in Table 1.2

Sum of
Cations
CEC

Exch.
OH

Amor.
Fe 2 O 3

Free
Fe 2 O 3 TOC MnO 2 Al 2 O 3 CaCO 3

Soil a % % % % Horizon Taxonomic Classiication pH cmol c /kg Sand Silt Clay

Alligator Ap Very ine, morillonitic, acid,

thermic Vertic Haplaquept

4.8 1.54 30.2 3.5 0.028 0.33 0.74 0.15 — 5.9 39.4 54.7

Unnamed Ap Calciorthid 8.5 0.44 14.7 33.8 0.015 0.050 0.25 0.000 7.39 70.0 19.3 10.7

Cecil Ap Clayey, kaolinitic, thermic 5.7 0.61 2.0 0.011 0.099 1.76 0.27 — 67.7 12.8 7.3

Typic Hapludult

Cecil B Clayey, kaolinitic, thermic 5.4 0.26 2.4 6.6 0.002 0.082 7.48 0.94 — 30.0 18.8 51.2

Typic Hapludult

Kula Ap1 Medial, isothermic 5.9 6.62 22.5 82.4 0.093 1.68 5.85 3.51 — 73.7 25.4 0.9

Typic Euthandept

Kula Ap2 Medial, isothermic 6.2 6.98 27.0 58.5 0.13 1.64 6.95 3.67 — 66.6 32.9 0.5

Typic Euthandept

Laitte Ap Euic, thermic 3.9 11.6 26.9 4.7 0.009 1.19 1.16 0.28 — 60.7 21.7 17.6

Typic Medisaprist

Molokai Ap Clayey, kaolinitic, isohyper- 6.0 1.67 11.0 7.2 0.76 0.19 12.4 0.91 — 25.7 46.2 28.2

thermic Typic Torrox

Norwood Ap Fine-silty, mixed (calc.), 6.9 0.21 4.1 0.0 0.008 0.061 0.30 0.016 — 79.2 18.1 2.8

thermic Typic Udiluvent

Olivier Ap Fine-silty, mixed, 6.6 0.83 8.6 1.9 0.27 0.30 0.71 0.071 — 4.4 89.4 6.2