LS22
Location: Perenna
Australian Soil Classification: Epibasic, Pedal, Hypercalcic, CALCAROSOL
General Landscape Description: Gently undulating plain.
Site Description: Crest of a continuously cropped paddock.
 |  | |
| LS22 Landscape |
Soil Profile Morphology:
Surface Soil
| A11 | 0-10 cm | Dark reddish brown (5YR3/3); loamy sand; massive; weak consistence dry; pH 8.1; clear change to: |  LS22 Profile |
| A12 | 10-18 cm | Dark reddish brown (5YR3/4); loamy sand; massive (plough pan effect); firm consistence moist; sharp change to: | |
| A13 | 18-25 cm | Dark reddish brown (5YR3/3); clay loam; massive; weak consistence dry; highly calcareous; roots stop here; pH 8.6; sharp change to: | |
| Subsoil | | | |
| B1 | 25-50 cm | Reddish yellow (5YR6/5); fine sandy clay loam; weak medium subangular blocky structure; weak consistence moist; very few hard carbonate nodules present; highly calcareous; pH 8.7; gradual change to: | |
| B21 | 50-100 cm | Pinkish grey (7.5YR6/2), with yellowish red (5YR5/6) infills; light medium clay; moderate medium blocky structure; weak consistence moist; contains many soft carbonate and hard silica carbonate segregations; very highly calcareous; pH 9.4. |
Soil Profile Characteristics:
| pH | Salinity | ||
Surface (A1 horizon) | Moderately Alkaline | Low | Non-Sodic | - |
Subsoil (B21 horizon) | Strongly Alkaline | Low | Non-Sodic | None |
Deeper Subsoil (60-110 cm) | Very Strongly Alkaline | Low | Sodic | None1 |
| The surface horizon is moderately alkaline. The upper subsoil is strongly alkaline becoming very strongly alkaline with depth. | | The salinity rating for this profile is low throughout. | | The surface and upper subsoil is non-sodic. The deeper subsoil is sodic. |
Chemical and Physical Analysis:
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | Na Cl % | Exchangeable Cations | Total Nitrogen % | Organic Carbon % | Field Capacity pF 2.5 | Wilting Point pF 4.2 | Coarse Sand (0.2 - 2 mm) | Fine Sand (0.02-0.2 mm) | Silt (0.002-0.02 mm) | Clay (<0.002 mm) | |||
Ca | Mg | K | Na | ||||||||||||||
meq/100g | |||||||||||||||||
A11 | 0-10 | 8.1 | 7.4 | 0.1 | <0.05 | 4.2 | 1.3 | 0.9 | 0.1 | <0.05 | 0.24 | 7.5 | 4.2 | | | | |
A12 | 10-18 | | | | | | | | | | | | | | | | |
A13 | 18-25 | 8.6 | 7.8 | 0.1 | | 14.1 | 2.5 | 1.6 | 0.1 | | | | | 24 | 35 | 2 | 31 |
B1 | 25-50 | 8.7 | 8.0 | 0.13 | | 15 | 5.2 | 1.7 | 0.3 | | | 30.1 | 18.7 | 20 | 27 | 1 | 36 |
B21 | 50-100 | 9.4 | 8.4 | 0.27 | | 6.1 | 14 | 2.4 | 2.3 | | | 40.1 | 26.6 | | | | |
Profile Described By: Mark Imhof, David Rees, Sonia Thompson (May 1994).
© State of Victoria (Agriculture Victoria) 1996 - .
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