Profile Number 7
| Laboratory number: | 0982 |  | Profile Description | ||
| Site number: | 556 | A1 | 0 - 20 cm | Black (10YR 2/1) gravelly organic loam; strong crumb structure; rough-ped fabric; slightly hard when dry; 10% bedrock fragments (8 mm); pH 3.7; clear wavy boundary | |
| Classification: | Northcote (1979) - Um7.11 Stace et al. (1972) - Alpine Humus Soil | AC | 20 - 35 cm | Dark brown (7.5YR 3/2) gravelly loam; weak crumb structure; rough-ped fabric; soft when dry; 10% bedrock fragments (8 mm); pH 4.7; clear wavy boundary | |
| Location: | Dargo 8323, grid ref. 075034 Road cutting near Mount Saint Bernard, 13 km SE of Harrietville | C | 35 - 56 cm | Brown (7.5YR 4/4) gravelly sandy loam; apedal; earthy fabric; soft when dry; 60% bedrock fragments (20 mm); pH 5.5 | |
| Land system, component: | Birregun, 3 | C | 56 - 150 cm | Not described | |
| Topography: | Upper mountain slope, NNE aspect, 45% gradient | R | 150+ cm | Bedrock | |
| Elevation: | 1400 m |  | | | |
| Drainage: | Good | | | | |
| Parent material: | Sandstone and siltstone | | | | |
| Vegetation: | Open forest II: Eucalyptus delegatensis with a relatively sparse shrub layer and with Poa sp. predominant in the herb layer | | | | |
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| LABORATORY ANALYSES 982 | |||||||||||||||||||
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 % | ||||||
Al AC C | 0 - 10 20 - 30 35 - 56 | CL SiL L | 28 38 73 | 17 15 16 | 21 23 28 | 18 29 24 | 27 23 18 | 69 | 51 | 18 | 9.4 | 4.3 4.8 5.1 | 52 30 27 | 0.004 0.003 0.003 | | | | | |
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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 | |||||||||||||||||||
Al | 0 - 10 | 13.6 | 0.83 | 21 | 3.1 | 23 | 160 | 0.042 | 0.21 | 0.04 | <0.01 | 0.6 | 0.01 | 105.0 | <1 | <1 | 1 | <1 | 99 |
AC | 20 - 30 | 6.1 | 0.46 | 17 | 4.4 | 15 | 80 | 0.046 | 0.22 | 0.06 | <0.01 | 0.3 | 0.01 | 69.0 | <1 | <1 | <1 | <1 | 99 |
C | 35 - 56 | | | | 4.6 | | | 0.063 | 0.30 | <0.01 | <0.01 | 0.2 | <0.01 | 36.0 | <1 | <1 | 1 | <1 | 99 |
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