Laboratory number: | 0998 | Profile Description | |||
Site number: | 710 | O1 | 5 - 0 cm | Black organic material; pH 5.5; abrupt boundary | |
Classification: | Northcote (1979) - Gn4.51 Stace et al. (1972) - Brown Earth | A1 | 0 - 15 cm | Dark greyish brown (10YR 4/2) clay loam; moderate angular blocky structure; rough-ped fabric; slightly hard when dry; pH 6.0; gradual boundary | |
Location: | Moe 8121, grid ref. 478534 Road cutting 6 km S of Churchil | B2 | 15 - 45 cm | Light yellowish brown (10YR 6/4) light clay; common faint dark yellowish brown (<5 mm) mottles; weak angular blocky structure; rough-ped fabric; hard when dry; pH 5.5; clear boundary | |
Land system, component: | Jeeralang, 2 | R | 45+ cm | Fractured sandstone and siltstone | |
Topography: | Upper hillslope with 45% gradient | ||||
Elevation: | 140 m | ||||
Drainage: | Good | ||||
Parent material: | Cretaceous siltstone and sandstone | ||||
Vegetation: | Open forest III: Eucalyptus globulus with Acacia melanoxylon, Cassinia longifolia and Olearia argophylla common in shrub layers | ||||
LABORATORY ANALYSES 998 | |||||||||||||||||||
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 - 5 | L | 2 | 7 | 43 | 22 | 20 | 5.9 | 52 | 0.003 | |||||||||
B2 | 25 - 45 | L | 16 | 8 | 44 | 24 | 20 | 27 | 18 | 9 | 7.5 | 5.6 | 43 | 0.007 | |||||
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 - 5 | 2.7 | 0.19 | 18 | 11 | 200 | 0.20 | 0.13 | 4.6 | 2.0 | 0.4 | 0.2 | 19.8 | 23 | 10 | 2 | 1 | 64 | |
B2 | 25 - 45 | 1.5 | 3.0 | 2.2 | 0.2 | 0.5 | 14.5 | 21 | 15 | 1 | 3 | 60 |