Laboratory number: | 1005 | Profile Description | |||
Site number: | 723 | A1 | 0 - 20 cm | Very dark greyish brown (10YR 3/2) light clay; moderate crumb structure; rough-ped fabric; hard when dry; abundant roots; 5% bedrock fragments up to 5 mm; pH 5.5; smooth boundary | |
Classification: | Northcote (1979) - Uf6.11 Stace et al.(1972) - Brown Earth | B21 | 20 - 60 cm | Very dark greyish brown (10YR 3/2) medium clay; moderate fine (6 mm) subangular blocky structure; rough-ped fabric; firm when moist; many roots; 5% bedrock fragments up to 5 mm; pH 5.0; smooth boundary | |
Location: | Moe 8121, grid ref. 546487 Road cutting 12 km SE of Churchill | B22 | 60 - 70 cm | Dark brown (10 YR 3/3) medium clay; moderate fine (6 mm) subangular blocky structure; rough-ped fabric; firm when moist; many roots; 10% bedrock fragments up to 10 mm; pH 4.5; smooth boundary | |
Land system, component: | Gunyah, 1 | C | 70 - 120+ cm | Dark yellowish brown (10YR 4/4) medium clay; moderate fine (6 mm) angular blocky structure; rough-ped fabric; firm when moist; 70% soft Cretaceous mudstone fragments up to 50 mm; pH 4.0 | |
Topography: | 40% hillslope facing NE | ||||
Elevation: | 640 m | ||||
Drainage: | Good | ||||
Parent material: | Cretaceous mudstone and siltstone | ||||
Vegetation: | Shrubby woodland II: Acacia dealbata, Prostanthera lasianthos, Pittosporum bicolor and Cassinia aculeata | ||||
LABORATORY ANALYSES 1005 | |||||||||||||||||||
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 | C | 18 | 8 | 15 | 23 | 42 | 4.4 | 79 | 0.004 | |||||||||
Al | 10 - 18 | C | 17 | 5 | 13 | 24 | 50 | 4.3 | 59 | 0.003 | |||||||||
B21 | 20 - 30 | C | 5 | 3 | 13 | 23 | 51 | 4.6 | 52 | 0.002 | |||||||||
B21 | 30 - 60 | 6 | 73 | 40 | 33 | 16 | |||||||||||||
B22 | 60 - 70 | C | 9 | 5 | 14 | 23 | 55 | 4.5 | 46 | 0.002 | |||||||||
C | 90 - 120 | C | 0 | 11 | 24 | 24 | 36 | 4.5 | 43 | 0.003 | |||||||||
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 | 5.5 | 0.43 | 17 | 3.4 | 14 | 480 | 0.032 | 0.39 | 0.5 | 1.1 | 1.3 | 0.2 | 48.4 | 1. | 2 | 3 | <1 | 94 |
Al | 10 - 18 | 4.7 | 0.37 | 17 | 3.3 | 12 | 360 | 0.027 | 0.44 | 0.06 | 0.3 | 1.0 | 0.2 | 46.9 | <1 | 1 | 2 | <1 | 97 |
B21 | 20 - 30 | 3.8 | 0.32 | 15 | 3.2 | 7 | 340 | 0.022 | 0.44 | <0.01 | 0.2 | 1.0 | 0.2 | 44.2 | <1 | <1 | 2 | <1 | 98 |
B21 | 30 - 60 | ||||||||||||||||||
B22 | 60 - 70 | 3.6 | 0.022 | 0.39 | <0.01 | 0.08 | 0.5 | 0.2 | 37.6 | <1 | <1 | 1 | 1 | 98 | |||||
C | 90 - 120 | 3.3 | 0.036 | 0.44 | 0.02 | 0.07 | 0.4 | 0.2 | 35.0 | <1 | <1 | 1 | 1 | 98 |