Australian Soil Classification: Black DERMOSOL
General Landscape Description: Plain
Site Description: Flat of a very gentle slope (1%)
Vegetation: Pasture
Geology: Quaternary Basalt and Colluvium and Alluvium
Soil Profile Morphology:
Surface Soil
A11 | 0-10 cm | Black (2.5Y2.5/1); few medium faint yellow brown mottles; heavy clay loam; moderate medium parting to strong fine subangular blocky structure; rough ped fabric; firm consistence, dry; pH 5.8; clear change to: | H76 Profile |
A3/B1 | 10-20 cm | Very dark grey (10Y3/1); very few medium faint orange mottles; light clay; strong medium polyhedralparting to strong fine subangular blocky structure; rough ped fabric; weak consistence, slightly moist; pH 7.8; gradual change to: | |
Subsoil | |||
B21 | 20-55 cm | Very dark grey (10Y3/1); very few medium faint orange mottles; medium heavy clay; strong medium polyhedral parting to strong fine subangular blocky structure; rough ped fabric; weak consistence, moist; very few medium gravelly subangular basalt; pH 7.8; diffuse change to: | |
B22 | 55-80 cm | Black (10Y2/1); heavy clay; strong medium polyhedral parting to strong fine subangular blocky structure; rough ped fabric; firm consistence, moist; very few medium gravelly subangular basalt; pH 7.8; diffuse change to: | |
B23 | 80-105 cm | Very dark grey (10Y3/1); few medium faint yellow brown mottles; heavy clay; strong medium polyhedral parting to strong fine subangular blocky structure; smooth ped fabric; firm consistence, moist; very few medium gravelly subangular basalt; few slickenslides; pH 7.8. |
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 | 6.0 | 5.6 | 0.61 | 12 | 11 | 1.2 | 2.8 | 9.2 | 0.73 | 17 | <10 | 520 | 32 | 68 | 160 |
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 | 1.08 | 62.1 | 60.8 | 56.9 | 21.1 | Nil | Nil | Nil | Nil | Water Stable |