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| LSWW12 | Vertic (and Calcic), Subnatric, Grey SODOSOL | |
Location | West of Booroopki Swamp, western Victoria | |||
Landform | Rise | |||
Geology | Quaternary Lowan Formation: aeolian fine to medium grained dune sand | |||
Element | Hillslope | |||
Horizon | Depth (cm) | Description | ||
A1 | 0–15 | Very dark greyish brown (10YR3/2); sandy loam; massive (structureless), structure increases to weak coarse blocky structure where roots penetrate; weak consistence when dry; pH 6.3; sharp and wavy boundary to: | ||
A2 | 15–20 | Pale brown (10YR6/3); conspicuously bleached; loamy sand; strong consistence when dry; occurs as capping on top of columnar domes of B21; pH 6.7; sharp and wavy boundary to: | ||
B21 | 20–40 | Brown (7.5YR5/2) with many very coarse distinct red mottles; medium heavy clay; strong very coarse columnar, parting to weak very coarse blocky structure; dispersive when worked; pH 7.5; gradual boundary to: | ||
B22 | 40–60 | Yellowish red (5YR5/8); medium heavy clay; moderate coarse blocky structure; completely dispersive; pH 8.8: | ||
B23 | 60–90 | Light yellowish brown (10YR6/4); medium clay; common soft calcareous segregations; pH 9.4: | ||
B24k | 90–130 | Very pale brown (10YR7/3); light clay, sandy; moderate medium polyhedral, parting to fine polyhedral structure; many soft calcium carbonate segregations and few hard carbonate/silica nodules (5-15 mm in size); pH 9.5: | ||
B25 | 130–170+ | Light grey (2.5Y7/2); medium clay; moderate to strong lenticular structure; few slickensides; smooth ped fabric with sand along ped faces; pH 9.5. | ||
Management Considerations | ||||
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Horizon | Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | NaCl % | Exchangeable Cations cmol-/kg | Wilting Point (pF 4.2) | Coarse Sand % | Fine Sand % | Silt % | Clay % | |||
Ca | Mg | K | Na | |||||||||||
A1 | 0–15 | 6.3 | 6 | 0.21 | 3.1 | 1.1 | 0.6 | 0.3 | 9.6 | 33.7 | 38.4 | 8.5 | 11.5 | |
A2 | 15–20 | 6.7 | 5.9 | <0.05 | 1.3 | 0.4 | 0.2 | 0.1 | 2.2 | 36.8 | 44.6 | 10 | 7.5 | |
B21 | 20–40 | 7.5 | 6.6 | 0.13 | 10 | 11 | 1.5 | 2 | 23.0 | 14.6 | 22.5 | 5.5 | 50.5 | |
B22 | 40–60 | 8.8 | 7.8 | 0.22 | 10 | 15 | 1.5 | 4.9 | 25.3 | 13.7 | 18 | 6 | 54.5 | |
B23 | 60–90 | 9.4 | 8.8 | 0.67 | 0.1 | |||||||||
B24k | 90–130 | 9.5 | 8.8 | 0.86 | 0.14 | |||||||||
B25 | 130–170+ | 9.5 | 8.9 | 1.1 | 0.2 | 5.3 | 14 | 1 | 9.3 |