H90
Australian Soil Classification: Brown DERMOSOL
General Landscape Description: Dissected Plain, Scarp Slopes and Entrenched Valleys
Site Description: Midslope/Bench (21%)
Vegetation: Pasture
Geology: Palaeogene Sediments (Limestone)
Soil Profile Morphology:
Surface Soil
| A11 | 0-10 cm | Very dark brown (10YR2/2); light clay; strong medium prismatic parting to subangular blocky structure; rough ped fabric; firm consistence, dry; pH 5.0; gradual change to: |  H90 Profile |
| A12 | 10-30 cm | Very dark brown (7.5YR2.5/2); light medium clay; strong medium parting to fine subangular blocky structure; rough ped fabric; strong consistence, dry; pH 5.5; clear change to: | |
| Subsoil | |||
| B21 | 30-45 cm | Very dark brown (7.5YR2.5/3); many medium distinct yellowish red (5YR4/6) mottles; medium heavy clay; strong medium parting to fine angular blocky structure; smooth ped fabric; very firm consistence, dry; pH 5.5; clear change to: | |
| B22 | 45-75 cm | Dark brown (7.5YR3/4); many coarse distinct yellowish red (5YR4/6) mottles; medium heavy clay; strong medium parting to fine angular blocky structure; smooth ped fabric; very firm consistence, dry; pH 6.5; diffuse change to: | |
| C | 75-95 cm | Dark grey (10YR4/1); light medium clay; apedal, massive structure; rough ped fabric; weak consistence, slightly moist; abundant soft limestone/marl pH 8.0. | |
 | | | |
Chemical Properties of Upper 10 cm:
Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | Exchangeable Cations | Total Carbon % | Total Nitrogen % | Organic Matter % | Available Aluminium mg/kg | Available Potassium (Skene K) mg/kg | Phosphorous (Olsen P) mg/kg | Available Sulphur mg/kg | Phosphorous Buffering Index | |||
Ca | Mg | K | Na | ||||||||||||
meq/100g | |||||||||||||||
0-10 | 5.4 | 4.9 | 0.18 | 15 | 4 | 1 | 0.59 | 7.3 | 0.54 | 14 | <10 | 400 | 26 | 17 | 180 |
Physical Properties of Upper 10 cm:
Depth (cm) | Bulk Density kg/L | Volumetric Water | Dispersion | Slaking | ||||||
At Saturation pF0 mL/100mL | Near Saturation pF1.0 mL/100mL | Field Capacity pF2.0 mL/100mL | Wilting Point pF4.2 mL/100mL | Dry | Remoulded | |||||
2 Hour | 20 Hour | 2 Hour | 20 Hour | |||||||
0-10 | 1.17 | 58.7 | 54.1 | 44.9 | 12.8 | NIl | Nil | Nil | Slight | Water Stable |
Profile Described By: David Rees, October 2006.
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