MOP1
| Location: Baxter Aust. Soil Class: Bleached-Vertic, Eutrophic, Brown CHROMOSOL General Landscape Description: Plateau of gently undulating rise. Natural vegetation includes Swamp Gum (Eucalyptus Ovata), Snow Gum (Eucalyptus Pauciflora) and Narrow-leaved Peppermint (Eucalyptus Radiata). Site Description: Low input paddock. Geology: Tertiary (Baxter Sandstone) |
 MP1 & 2 Landscape |
| Soil Profile Morphology: Surface soil |  MP1 Profile | ||
| A1 | 0-15 cm | Very dark greyish brown (10YR3/2); light fine sandy clay loam; moderate to strong, coarse to very fine (2-50 mm) polyhedral structure; very firm consistence dry; pH 5.9; gradual change to: | |
A2 | 15-30 cm | Brown (10YR5/3), conspicuously bleached (10YR7/2 dry); light fine sandy clay loam; moderate, medium to fine (5-20 mm) blocky structure; strong consistence dry; some rusty root channel mottling; pH 6.1; clear change to: | |
| Subsoil B21 | 30-45 cm | Yellowish brown (10YR5/4) with diffuse brown (10YR4/3) mottles; medium heavy clay; strong consistence dry; strong, medium to coarse (10-50 mm) subangular blocky structure; pH 6.2; clear change to: | |
B22 | 45-80 cm | Light yellowish brown (2.5Y6/4) with yellowish red (5YR5/6) mottles; medium clay; strong consistence dry; strong, medium to very fine (2-20 mm) polyhedral structure; pH 7.1; gradual change to: | |
| B23 | 80-135 cm | Yellowish brown (10YR5/6) with very many (30%) red (2.5YR4/8) and light grey (10YR7/1) mottles; heavy clay; moderate medium (20-50 mm) prismatic, parting to strong medium (20-50 mm) subangular blocky, and further parting to strong fine (5-10 mm) polyhedral structure; strong consistence dry; pH 5.9: | |
| B3 | 135+ cm | Reddish grey (2.5YR6/1) with dark yellowish brown (10YR4/6) and yellowish brown (10YR5/6) mottles; heavy clay; moderate, fine (5-10 mm) lenticular structure; pH 6.1. | |
Key Profile Features:
| |||
 | pH | Salinity Rating | ||
Surface (A1 horizon) | Moderately Acid | Very Low | Non-Sodic | None |
Subsoil (B21 horizon) (30-45 cm) | Slightly Acid | Very Low | Non-Sodic | None 1 |
Deeper subsoil (at 135+ cm) | Slightly Acid | Low-Medium | Marginally Sodic | None |
 |
Horizon | Horizon Depth | pH (water) | pH CaCl2 | EC 1:5 | Exchangeable Cations | Ex Al mg/kg | Ex Ac meq/100g | Field pF2.5 | Wilting Point pF4.2 | Coarse Sand (0.2-2.0mm) | Fine Sand (0.02-0.2mm) | Silt (0.002-0.02mm) | Clay (<0.002mm) | |||
Ca | Mg | K | Na | |||||||||||||
meq/100g | ||||||||||||||||
A1 | 0-15 | 5.9 | 5.3 | 0.08 | 6.0 | 2.6 | 0.36 | 0.17 | <10 | 10 | 30.7 | 10.6 | 7 | 45 | 21 | 17 |
A2 | 15-30 | 6.1 | 5.4 | <0.05 | 3.6 | 2.1 | 0.11 | 0.16 | <10 | 7.3 | 25.5 | 7.7 | 12 | 45 | 21 | 17 |
B21 | 30-45 | 6.2 | 5.5 | 0.07 | 4.1 | 6.3 | 0.14 | 0.54 | <10 | 11 | 37.5 | 21.5 | 5 | 47 | 7 | 62 |
B22 | 45-80 | 7.1 | 6.7 | 0.12 | 2.8 | 7.6 | 0.14 | 0.94 | | | 43.6 | 26.6 | 4 | 22 | 12 | 69 |
B23 | 80-135 | 5.9 | 5.6 | 0.27 | 1.7 | 6.5 | 0.2 | 1.0 | <10 | 9.5 | 48.2 | 28.6 | 8 | 12 | 19 | 34 |
B3 | 135+ | 6.1 | 5.7 | 0.44 | 0.8 | 4.5 | <0.1 | 1.2 | <10 | 11 | | | | | | |
Notes
