Location: Perenna
Australian Soil Classification: Epicalcareous (& Hypercalcic)-Epihypersodic, Epipedal, Grey VERTOSOL
Northcote Factual Key: Ug 5.21
Great Soil Group: grey clay
General Landscape Description: Gently undulating plain. This site occurs in a low-lying position.
Native Vegetation: Mallee vegetation occurs in its natural state.
LS16 Landscape |
A1 | 0-10 cm | Very dark grey (10YR3/1); light medium clay; moderate coarse blocky structure; strong consistence dry; pH 8.4: | LS16 Profile |
Subsoil | |||
B21k | 10-30 cm | Light brownish grey (2.5Y6/2); medium clay; strong coarse prismatic, parting to moderate coarse blocky structure; strong consistence dry; contains a common (10-20 %) amount of soft calcium carbonate; pH 9.1: | |
B22k | 30-50 cm | Light grey (5Y7/2); medium clay; strong medium prismatic, parting to moderate medium blocky structure; strong consistence dry; contains a common (10-20 %) amount of soft calcium carbonate; pH 9.7: | |
B23 | 50-150 cm | Light grey (5Y7/2) with yellow (10YR7/6) diffuse mottles; medium heavy clay; parts to moderate fine polyhedral structure; pH 9.5: | |
B24 | 150+ cm | Light grey (5Y7/2) with brownish yellow (10YR6/8) mottles; heavy clay; moderate lenticular structure; firm consistence moist; contains large sand pockets; pH 9.3. |
pH | Salinity | |||
Surface (A1 horizon) | Moderately Alkaline | Low | Non-Sodic | Slaking, No Dispersion |
Subsoil (B21 horizon) | Very Strongly Alkaline | Low | Non-Sodic | None |
Deeper Subsoil (at 1 metre) | Very Strongly Alkaline | Medium-High | Strongly Sodic | None1 |
The surface soil is moderately alkaline. The subsoil is very strongly alkaline throughout. | The salinity rating is low in the surface and upper subsoil becoming high with depth. | The surface and upper subsoil is non-sodic. The subsoil is becomes strongly sodic at about 40 cm depth. |