Profile Number 32
| Laboratory number: | 0975 |  | Profile Description | ||
| Site number: | 493 | A1 | 0 - 22 cm | Dark reddish grey (2.5YR 3/1) light sandy clay loam; strong crumb structure; rough-ped fabric; soft when dry; abundant roots; pH 6.0; clear wavy boundary | |
| Classification: | Northcote (1979) - Gn3.11 Stace et al (1972) – Krasnozem | B1 | 22 - 72 cm | Dark reddish brown (2.5YR 3/4) sandy clay loam; strong granular structure; smooth-ped fabric; slightly hard when dry; common roots; pH 5.8; gradual wavy boundary | |
| Location: | Bairnsdale 8422, grid ref. 808484 Road cutting 23 km N of Bruthen, 6 km E of Tambo Crossing | B2 | 72 - 95 cm | Yellowish red (2.5YR 4/6) clay loam; strong granular structure; smooth-ped fabric; hard when dry; pH 4.0; clear wavy boundary | |
| Land system, component: | Wellington, 1 | C | 95 - 120+ cm | Yellowish red (2.5YR 4/8) sandy clay loam; apedal; rough-ped fabric; very hard when dry; pH 5.5 | |
| Topography: | Mid-slope of ridge with 35% gradient, E aspect |  | | | |
| Elevation: | 650 m | | | | |
| Drainage: | Good | | | | |
| Parent material: | Devonian rhyolite | | | | |
| Vegetation: | Regenerating after logging; layered open forest II: Eucalyptus obliqua, E. regnans and E. cypellocarpa with Acacia dealbata, A. melanoxylon, Pomaderris aspera, Pteridium esculentum and Tetrarrhena juncea common in understorey | | | | |
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| LABORATORY ANALYSES 975 | |||||||||||||||||||
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 B1 B2 C | 0 - 10 30 - 60 72 - 90 95 - 120 | L CL C CL | 11 2 2 7 | 33 22 25 30 | 27 26 19 17 | 20 22 15 18 | 14 28 40 35 | 62 | 34 | 28 | 15 | 6.0 5.7 5.4 5.1 | 53 23 17 17 | 0.005 0.002 0.003 0.001 | 72 - 90 | Kaolinite 60; Chlorite40 | |||
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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 | 10.5 | 0.66 | 21 | 3.9 | 9 | 440 | 0.037 | 0.12 | 3.5 | 1.7 | 1.3 | 0.1 | 67.6 | 5 | 3 | 2 | <1 | 90 |
Bl | 30 - 60 | | | | 5.1 | | | 0.023 | 0.08 | 0.2 | 0.08 | 0.8 | 0.08 | 39.2 | 1 | <1 | 2 | <1 | 97 |
B2 | 72 - 90 | | | | 5.9 | | | 0.020 | 0.06 | 0.1 | 0.1 | 0.5 | 0.07 | 18.5 | 1 | 1 | 3 | <1 | 95 |
C | 95 - 120 | | | | 6.3 | | | 0.023 | 0.04 | 0.1 | 0.08 | 0.4 | 0.07 | 11.1 | 1 | 1 | 4 | 1 | 93 |
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