Profile Number 44
| Laboratory number: | 0943 |  | Profile Description | ||
| Site number: | 390 | All | 0 - 6 cm | Very dark greyish brown (10YR 3/2) silty clay loam; common prominent reddish brown (<5 mm) mottles; strong medium (5 mm) crumb structure; rough-ped fabric; very hard when dry; common fine roots; pH 5.5; abrupt smooth boundary | |
| Classification: | Northcote (1979) - Gn4.51 Stace et al. (1972) - Humic Gley | Al2 | 6 - 20 cm | Very dark greyish brown (10YR 3/2) silty clay; few faint yellow (<5 mm) mottles; moderate coarse (20 mm) subangular blocky structure; smooth-ped fabric; extremely hard when dry; common fine roots; pH 5.8; abrupt smooth boundary | |
| Location: | Maffra 8222, grid ref. 803944 2 km S of Heyfield | B2 | 20 - 60 cm | Greyish brown (10YR 5/2) heavy clay; abundant prominent yellowish brown (>15 mm) mottles; strong coarse (30 mm) subangular blocky structure; rough-ped fabric; very hard when dry; 1% ferruginous nodules (5 mm), 1% charcoal fragments (10 mm); pH 6.2; clear smooth boundary | |
| Land system, component: | Maffra 1, 2 | C1 | 60 - 100 cm | Dark grey (5Y 4/1) medium clay; common prominent yellowish brown (<5 mm) mottles; moderate coarse (20 mm) subangular blocky structure; smooth-ped fabric; very firm when moist; few roots; pH 8.0; gradual smooth boundary | |
| Topography: | Alluvial terrace, 0% slope | C2 | 100 - 170+ cm | Grey (5Y 5/1) heavy clay; common prominent yellowish brown (5 - 15 mm) mottles; apedal; earthy fabric; firm when moist; few roots; pH 9.0 | |
| Elevation: | 40 m |  | | | |
| Drainage: | Poor | | | | |
| Parent material: | Holocene fine-textured alluvium | | | | |
| Vegetation: | Cleared; mostly introduced grasses with occasional Eucalyptus polyanthemos | | | | |
| Remarks: | | | | | |
| LABORATORY ANALYSES 943 | |||||||||||||||||||
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 B2 Cl C2 | 0 - 6 10 - 20 30 - 60 60 - 90 100 - 120 | SiC SiC SiC SiC SiCL | 0 0 1 0 0 | 1 1 1 3 2 | 6 9 10 12 15 | 34 39 41 43 43 | 40 46 46 40 39 | | | 5.4 5.7 6.1 7.7 8.6 | 120 57 80 140 220 | 0.009 0.004 0.007 0.054 0.020 | | | | | | | |
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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 B2 Cl C2 | 0 - 6 10 - 20 30 - 60 60 - 90 100 - 120 | 7.76 2.50 | 0.70 0.25 | 14 13 | 1.6 2.0 3.5 3.8 3.3 | 65 34 | 260 80 | 0.065 0.030 0.039 0.029 0.031 | 0.53 0.41 0.51 0.47 0.49 | 5.4 4.4 2.2 2.7 2.6 | 4.5 4.5 5.6 6.6 6.0 | 0.8 0.3 0.2 0.1 0.1 | 0.8 0.7 1.5 3.3 4.1 | 39.0 25.0 19.6 15.5 12.8 | 14 18 11 17 20 | 12 18 29 43 47 | 2 1 1 1 1 | 2 3 8 21 32 | 70 60 51 18 0 |
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