Laboratory number: | 0963 | Profile Description | |||
Site number: | 481 | A1 | 0 - 10 cm | Very dark greyish brown (10YR 3/2) loam; medium crumb structure; rough-ped fabric; very hard when dry; pH 6.0; clear boundary | |
Classification: | Northcote (1979) - Um4.31 Stace et al. (1972) - Non-calcic Brown Soil | A3 | 10 - 20 cm | Dark brown (7.5YR 3/2) silty loam; weak coarse angular blocky structure (30 mm); rough-ped fabric; very hard when dry; pH 6.0; clear boundary | |
Location: | Maffra 8222; grid ref. 672344 1 km SE of Licola on Licola-Heyfield Road | B1 | 20 - 30 cm | Dark reddish brown (5YR 3/2) silty loam; weak coarse angular blocky structure (30 mm); rough-ped fabric; very firm when moist; pH 6.5; clear boundary | |
Land system, component: | Walnut, 2 | B2 | 30 - 70 cm | Dark reddish brown (5YR 3/3) silty clay loam; weak coarse angular blocky structure (40 mm); rough-ped fabric; very firm when moist; pH 8.0; abrupt boundary | |
Topography: | Alluvial terrace, 1% slope | C1 | 70 - 90 cm | Dark reddish brown (5YR 3/4) loam; apedal; earthy fabric; firm when moist; pH 8.5; gradual boundary | |
Elevation: | 200 m | C2 | 90 - 150+ cm | Dark reddish brown (5YR 3/4) sand; apedal; earthy fabric; firm when moist; pH 8.5 | |
Drainage: | Good | ||||
Parent material: | Holocene fine-textured alluvium | ||||
Vegetation: | Cleared; mainly introduced grasses with scattered Eucalyptus melliodora | ||||
LABORATORY ANALYSES 963 | |||||||||||||||||||
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 | 0 - 10 | SiL | 1 | 5 | 45 | 25 | 23 | 6.0 | 110 | 0.006 | |||||||||
A3 | 10 - 20 | SiL | 1 | 1 | 46 | 27 | 24 | 6.1 | 42 | 0.003 | |||||||||
Bl | 20 - 30 | SiL | 0 | 1 | 45 | 28 | 25 | 31 | 19 | 12 | 6.8 | 6.2 | 33 | 0.003 | |||||
B2 | 30 - 60 | SiCL | 0 | 1 | 45 | 26 | 28 | 30 | 22 | 8 | 7.0 | 6.6 | 32 | 0.003 | |||||
CI | 70 - 90 | L | 1 | 1 | 57 | 20 | 23 | 8.5 | 80 | 0.004 | |||||||||
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 | 4.1 | 0.40 | 13 | 1.4 | 57 | 600 | 0.065 | 0.44 | 6.1 | 2.6 | 1.4 | 0.05 | 26.7 | 23 | 10 | 5 | <1 | 62 |
A3 | 10 - 20 | 1.8 | 0.17 | 14 | 1.6 | 39 | 400 | 0.049 | 0.40 | 4.6 | 2.0 | 1.0 | 0.07 | 20.8 | 22 | 10 | 5 | <1 | 63 |
Bl | 20 - 30 | 0.90 | 0.096 | 12 | 1.7 | 39 | 320 | 0.054 | 0.45 | 4.8 | 2.3 | 0.8 | 0.05 | 17.8 | 27 | 13 | 5 | <1 | 55 |
B2 | 30 - 60 | 1.9 | 0.051 | 0.46 | 5.8 | 4.0 | 0.4 | 0.2 | 17.2 | 34 | 23 | 2 | 1 | 40 | |||||
Cl | 70 - 90 | 1.5 | 0.035 | 0.32 | 4.4 | 4.0 | 0.2 | 0.3 | 10.7 | 41 | 37 | 2 | 3 | 17 |