SW56
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| SW56 |  Melacic, Humic/Sesquic, Semiaquic PODOSOL (surface has been stripped from this profile) | |
| Cooriemungle road / Gallum road, tributary of Ross Creek, Heytesbury district | |||
| Valley floor | |||
| Transported Neogene Hanson Plain Sand and Gellibrand Marl | |||
| Crest of convex natural mound; remnant of footslope or terrace. | |||
| 1% | |||
| NE | |||
Horizon | Depth (cm) | Description | ||
A1 | 0-20 | Black (10YR2/1 moist, 10YR4/1 dry); sandy loam; weakly pedal, fine to medium polyhedral (5-20 mm) structure; weak consistence; pH 5.1; abrupt smooth boundary to: | ||
A2e | 20-30/40 | Greyish brown (10YR5/2 moist), conspicuously bleached (10YR8/1 dry); fine sandy loam; apedal massive structure; firm consistence; pH 4.8; abrupt and wavy boundary to: | ||
B21h | 34/40-35/45 | Black (10YR2/1 moist and 10YR3/1 dry); fine sandy clay loam; apedal massive structure; clear and wavy boundary to: | ||
B22s | 35/45-80 | Olive yellow (2.5Y6/8 moist) with light red (2.5YR7/6 dry) mottles; fine sandy clay loam; apedal massive structure; strong consistence; pH 5.1; gradual and smooth boundary to: | ||
B23g | 80 + | Grey (2.5Y5/1) with (10-15%), yellowish brown (10YR5/8 moist) mottles common; medium clay; medium (20-50 mm) prismatic, parting to coarse (20-50 mm) and medium (10-20 mm) blocky structure; firm to very firm consistence; pH 4.9. | ||
| Management considerations | ||||
| Better drained surface than the majority of valley floor soils in this landform and so less prone to pugging by grazing animals. Subsoil subject to waterlogging. Acidic profile responding to lime. Compare this profile to SW55 for a variation in this type of soil. | ||||
Analytical data
Site SW56 | Sample depth | pH | EC | NaCl | Ex Ca | Ex Mg | Ex K | Ex Na | Ex Al | Ex acidity | FC (-10kPa) | PWP (-150kPa) | KS | FS | Z | C | |
Horizon | cm | H2O | CaCl2 | dS/m | % | cmolc/kg | cmolc/kg | cmolc/kg | cmolc/kg | mg/kg | cmolc/kg | % | % | % | % | % | % |
| A1 | 0-20 | 5.1 | 4.6 | 0.37 | 0.02 | 7 | 0.9 | 0.7 | 0.2 | <10 | 19 | 42.8 | 19.9 | 17.1 | 38.2 | 22.5 | 4 |
| A2 | 20-30 | 4.8 | 4.1 | 0.06 | N/R | 0.82 | 0.11 | <0.05 | <0.05 | <10 | 2 | 15.5 | 2 | 10.7 | 42.4 | 36 | 4.5 |
| Bs | 40-80 | 5.1 | 4.7 | 0.06 | N/R | 0.35 | 0.12 | 0.16 | 0.06 | 110 | 19 | N/R | N/R | 5.6 | 26.6 | 25.5 | 31.5 |
| Bg | 80+ | 4.9 | 4.1 | 0.06 | N/R | 0.08 | 2 | 0.14 | 0.2 | 280 | 12 | N/R | N/R | 8.4 | 21.1 | 27 | 43 |
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