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| LSWW18 | Ferric (and Calcic), Mottled-Mesonatric, Grey SODOSOL | |
Location | North of Langkoop, western Victoria | |||
Landform | Plain | |||
Geology | Quaternary swamp and lake deposits: paludal silt and clay | |||
Element | Plain | |||
Horizon | Depth (cm) | Description | ||
A1 | 0–25 | Brown (7.5YR4/2); sand; weak structure; weak consistence when dry; pH 5.5; clear boundary to: | ||
A2 | 25–42 | Light brown (7.5YR6/4), conspicuously bleached; sand; massive (structureless); many (some patches 80-100%) ferruginous nodules; pH 6.1; abrupt boundary to: | ||
B21 | 42–50 | Light grey (10YR7/2) with abundant very coarse prominent yellowish brown and dark red mottles; light clay; strong coarse, parting to strong medium polyhedral structure; smooth ped-fabric; some ferruginous nodules; strong consistence when dry (complete dispersion when worked); pH 7.3; clear boundary to: | ||
B22 | 50–85 | Brownish yellow (10YR6/6) with dark red and brownish yellow mottles; light medium clay; strong coarse prismatic, parting to strong coarse blocky structure (some areas parting further to strong medium/fine polyhedral structure); brown clay skins, cutans; few ferruginous nodules; very firm consistence when slightly moist; pH 6.9: | ||
B23 | 85–150 | Brownish yellow (10YR6/6); medium heavy clay (sandy) with patches of yellow (10YR7/8) sand throughout; moderate very coarse prismatic structure; complete dispersion; pH 6.5: | ||
B24 | 150–200+ | Brownish yellow (10YR6/8) with light grey mottles; light clay; common soft calcareous and hard calcareous /silica nodules; pH 9.3. | ||
Management Considerations | ||||
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Horizon | Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | Exchangeable Cations cmol-/kg | Wilting Point (pF4.2) | Coarse Sand % | Fine Sand % | Silt % | Clay % | |||
Ca | Mg | K | Na | ||||||||||
A1 | 0–25 | 5.5 | 4.4 | <0.05 | 0.5 | 0.1 | 0.1 | 0.1 | 3.7 | 55.5 | 30.5 | 3 | 5 |
A2 | 25–42 | 6.1 | 4.8 | <0.05 | 0.1 | <0.1 | <0.1 | 0.1 | |||||
B21 | 42–50 | 7.3 | 6 | 0.06 | 4.2 | 5.9 | 0.5 | 2.2 | 24.4 | 12.3 | 12.6 | 2.5 | 67.5 |
B22 | 50–85 | 6.9 | 6 | 0.09 | 2.6 | 6.4 | 0.4 | 1.9 | 20.1 | 16.7 | 14.5 | 1.5 | 62 |
B23 | 85–150 | 6.5 | 5.2 | 0.07 | 1.3 | 6 | 0.2 | 2.6 | |||||
B24 | 150–200+ | 9.3 | 8.5 | 0.38 |