Laboratory number: | 1002 | Profile Description | |||
Site number: | 522 | A1 | 0 - 8 cm | Dark reddish brown (5YR 2/2) loam; strong crumb structure; rough-ped fabric; hard when dry; abundant roots; pH 4.0; clear wavy boundary | |
Classification: | Northcote (1979) - Gn4.11 Stace et al. (1972) – Krasnozem | B21 | 8 - 44 cm | Dark reddish brown (5YR 3/3) clay loam; moderate fine (8 mm) subangular blocky structure; rough-ped fabric; slightly hard when dry; common roots; pH 5.0; gradual wavy boundary | |
Location: | Omeo 8423, grid ref. 564578 20 km SW of Swifts Creek | B22 | 44 - 180+ cm | Dark red (2.5YR 3/6) light clay; moderate fine (8 mm) angular blocky structure; rough-ped fabric; slightly hard when dry; common roots to 90 cm depth, few between 90 - 180 cm; 5% small fragments of parent rock (about 3 mm); pH 6.0 | |
Land system, component: | Jamieson, 3 | ||||
Topography: | Upper slope of ridge, 8% gradient | ||||
Elevation: | 880 m | ||||
Drainage: | Good | ||||
Parent material: | Ordovician mudstone and sandstone | ||||
Vegetation: | Layered open forest III: Eucalyptus obliqua, E. delegatensis and Acacia dealbata. Olearia argophylla, Bedfordia arborescens, Pteridium esculentum, Tetrarrhena juncea and Poa sp. predominant in understorey | ||||
LABORATORY ANALYSES 1002 | |||||||||||||||||||
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 % | ||||||
0 - 8 10 - 20 30 - 44 60 - 90 120 - 150 | SiL SiL SiL C C | 18 4 5 18 14 | 11 8 5 4 5 | 32 39 36 25 26 | 30 28 36 22 23 | 19 22 21 46 44 | 59 | 30 | 29 | 16 | 5.0 5.2 5.3 5.2 5.2 | 37 17 14 13 12 | 0.005 0.003 0.003 0.002 0.002 | ||||||
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 | |||||||||||||||||||
0 - 8 10 - 20 30 - 44 60 - 90 120 - 150 | 10.6 6.5 | 0.63 0.41 | 22 21 | 4.1 4.6 4.5 4.6 4.9 | 16 10 | 200 120 | 0.035 0.025 0.023 0.021 0.021 | 0.22 0.17 0.18 0.20 0.17 | 0.4 <0.05 0.1 0.1 0.07 | 0.2 0.08 0.01 0.07 0.01 | 0.7 0.6 0.5 0.4 0.4 | 0.09 0.1 0.09 0.04 0.05 | 81.5 68.1 53.5 29.3 23.3 | 1 <1 <1 <1 <1 | <1 <1 <1 <1 <1 | 1 1 1 1 2 | <1 1 <1 <1 <1 | 98 98 99 99 98 |