Profile Number 39
| Laboratory number: | 0932 |  | Profile Description | ||
| Site number: | 379 | A11 | 0 - 7 cm | Very dark greyish brown (10YR 3/2) organic loam; strong fine (7 mm) subangular blocky structure; rough-ped fabric; friable when moist; abundant fine and thick grass roots; pH 5.5; clear boundary | |
| Classification: | Northcote (1979) - Gn2.81 Stace et al. (1972) – Wiesenboden | Al2 | 7 - 21 cm | Very dark greyish brown (10YR 3/20) organic loam; moderate very fine (4 mm) subangular blocky structure; rough-ped fabric; firm when moist; reddish brown root stains; abundant fine roots; pH 5.5; diffuse boundary | |
| Location: | Moe 8121, grid ref. 251738 4 km S of Trafalgar | B21g | 21 - 60 cm | Grey (10YR 5/1) silty clay; abundant distinct yellowish brown (<5 mm) mottles; apedal; earthy fabric; firm when moist; few fine roots; pH 5.0; clear boundary | |
| Land system, component: | Moe, 1 | B22g | 60 - 90cm | Grey (10YR 5/1) heavy clay; abundant prominent yellowish brown (<5 mm) mottles; apedal; earthy fabric; firm when moist; few fine roots; pH 4.5; clear boundary | |
| Topography: | Alluvial plain, 1% slope | C | 90 - 180 cm | Light grey to grey (10YR 6/1) silty clay loam; common distinct yellowish brown (5 - 15 mm) mottles; apedal; earthy fabric; firm when moist; pH 4.5 | |
| Elevation: | 60 m |  | | | |
| Drainage: | Poor | | | | |
| Parent material: | Holocene fine-textured alluvium | | | | |
| Vegetation: | Cleared; grassland of introduced species including Holcus lanatus, Paspalum dilatatum and Bromus catharticus | | | | |
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| LABORATORY ANALYSES 932 | |||||||||||||||||||
Horizon | Sample Depth cm | Lab. texture | Particle size distribution | Atterberg limits | 1:5 soil water suspension | Clay mineralogy by x-ray diffraction | |||||||||||||
Gravel % | Coarse sand % f.e. | fine sand % f.e. | Silt % f.e. | Clay % f.e. | liquid limit % | plastic limit % | plasticity index % | linear shrinkage % | pH | EC 25°C uS/cm | Cl- % | Depth cm | Composition % | ||||||
All Al2 B21g B22g C | 0 - 7 10 - 20 30 - 60 60 - 90 90 - 120 | C C SiCL SiC SiCL | 11 3 0 0 0 | 16 2 1 <1 <1 | 18 11 28 21 24 | 18 17 42 35 38 | 37 62 29 43 38 | 29 | 16 | 13 | 6.5 | 4.9 5.1 5.0 4.8 4.9 | 150 68 35 77 68 | 0.011 0.005 0.003 0.006 0.005 | | | | | |
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Horizon | Sample Depth cm | Org. C % | Total N % | 1.3C N | Free Fe2O3 % | Available | HCl extract | Exchangeable cations | |||||||||||
| P ppm | K ppm | P % | K % | Ca | Mg | K | Na | CEC | Ca % of CEC | Mg | K | Na | H | |||||
Milliequivalents/100g | |||||||||||||||||||
All Al2 B21g B22g C | 0 - 7 10 - 20 30 - 60 60 - 90 90 - 120 | 7.02 5.18 | 0.64 0.44 | 14 15 | 1.3 1.5 0.6 1.4 1.0 | 34 16 | 540 300 | 0.053 0.044 0.009 0.011 0.009 | 0.24 0.31 0.12 0.17 0.14 | 3.6 3.1 1.5 2.0 1.6 | 4.7 5.4 2.4 4.0 3.7 | 1.4 0.9 0.2 0.2 0.2 | 0.3 0.3 0.2 0.6 0.5 | 39.4 49.0 13.1 16.7 15.0 | 9 6 11 12 11 | 12 11 18 24 25 | 4 2 2 1 1 | 1 1 2 4 3 | 74 80 67 59 60 |
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Horizon | Sample Depth cm | Bulk Density g/mL | Total Porosity %(V/V) | Volumetric water content | Calculated macro-porosity %(V/V) | | | | | | | | | | | | | ||
field capacity % | wilting point % | calculated available water % | |||||||||||||||||
All | 0 - 7 | 0.61 | 77.0 | 34.1 | 19.1 | 15.0 | 42.9 | | | | | | | | | | | | |
Al2 | 10 - 20 | 0.80 | 69.7 | 44.4 | 25.6 | 18.8 | 25.3 | | | | | | | | | | | | |
B22g | 60 - 90 | 1.49 | 43.8 | 36.9 | 15.9 | 21.0 | 6.9 | | | | | | | | | | | | |
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