Location: Mount Taylor
Australian Soil Classification: Bleached-Sodic, Magnesic, Brown CHROMOSOL
Map Unit: Deadhorse (Component 2)
Previous Site Name: EG266
General Landscape Description: Rolling low hills.
Site Description: ENE slope, 13% slope
Native Vegetation: Lowland herb rich forest
Geology: Devonian granite (porphyry)
EG266 - landscape
Soil Profile Morphology:
Surface Soil
A1 | 0 – 10 cm | Dark grey (7.5YR4/1); sandy loam; weak coarse angular blocky structure; very firm dry; pH 5.6; clear change to: | No soil pit photo available, but this was taken on a road exposure nearby. The surface soil is deeper than the sampled soil |
A2 | 10 – 45 cm | Pale brown (10YR6/3), conspicuously bleached (7.5YR8/1); loamy sand; massive; pH 5.7; abrupt change to: | |
Subsoil | |||
B21 | 40 – 90 cm | Greyish brown (10YR5/2), common (10-20%) coarse (15-30 mm) yellowish brown (10YR5/6) distinct mottles; medium clay; strong very coarse angular blocky structure parting to fine angular blocky; strong consistence dry; very few (<2%) rounded cobbles (60-200 mm); pH 5.5; diffuse change to: | |
B22 | 90 – 120 cm | Dark greyish brown (10YR4/2), many (20-50%) coarse (15-30 mm) yellowish brown (10YR5/8) distinct mottles; medium clay; strong coarse angular blocky structure; strong consistence dry; very few (<2%) rounded cobbles (60-200 mm); pH 5.3; diffuse change to: | |
B23 | 120 – 170 | Light grey (10YR7/2), few very coarse (>30 mm) reddish yellow (5YR6/8) mottles; medium clay; coarse prismatic structure; very strong dry; few rounded cobbles. |
pH | |||
Surface soil (A1 horizon) | Moderately Acid | Non-Sodic | None |
Subsoil (B21 horizon) | Strongly Acid | Non-Sodic | Slight1 |
Deeper subsoil (B22 horizon) | Strongly Acid | Sodic | Slight1 |
Horizon | Horizon Depth (cm) | pH (water) | pH CaCl2 | EC dS/m | Organic Carbon % | Total Nitrogen % | Exch. Acididty meq/100g | Exchangeable Cations | Coarse Sand (0.2-2.0 mm) % | Fine Sand (0.02-0.2 mm) % | Silt (0.002-0.02 mm) % | Clay (<0.002 mm) % | Field cap. % w/w | Wilt. point % w/w | |||
Ca | Mg | K | Na | ||||||||||||||
meq/100g | |||||||||||||||||
A1 | 0-10 | 5.6 | 4.7 | <0.05 | 2.9 | 0.17 | 9 | 56 | 2.2 | 1.2 | 0.3 | 30<0.1 | 36 | 17 | 10 | 27 | 6.1 |
A2 | 10-45 | 5.7 | 4.7 | <0.05 | 4.5 | 45 | 0.4 | 0.5 | <0.1 | 34<0.1 | 35 | 25 | 7 | 15.7 | 3 | ||
B21 | 45-90 | 5.5 | 4.2 | 0.06 | 12 | 220 | 0.4 | 4 | 0.2 | 190.5 | 22 | 14 | 44 | 29.1 | 16.8 | ||
B22 | 90-120 | 5.3 | 4.3 | 0.15 | 9.2 | 160 | 0.1 | 5.9 | 0.2 | 191 | 21 | 16 | 45 | 37.1 | 17.8 |