Laboratory number: | 0941 | Profile Description | |||
Site number: | 388 | A1 | 0 - 25 cm | Black (10YR 2/1) silty loam; moderate medium (10 mm) subangular blocky structure; rough-ped fabric; hard when dry; abundant roots; pH 5.5; clear wavy boundary | |
Classification: | Northcote (1979) - Um6.21 Stace et al. (1972) - Prairie Soi | AC | 25 - 72 cm | Very dark greyish brown (10YR 3/2) fine sandy clay loam; weak coarse (30 mm) subangular blocky structure; rough-ped fabric; very hard when dry; abundant roots; pH 6.0; diffuse wavy boundary | |
Location: | Sale 8321, grid ref. 010847 6 km NW of Sale | C1 | 72 - 105 cm | Dark brown (10YR 3/3) fine sandy clay loam; apedal; earthy fabric; hard when dry; pH 6.5; clear smooth boundary | |
Land system, component: | Thomson, 3 | IIC2 | 105 - 150 cm | Dark brown to brown (10YR 4/3) sand; few distinct yellowish brown (5 - 15 mm) mottles; apedal; sandy fabric; hard when dry; pH 6.5; clear smooth boundary | |
Topography: | River levee, 0% slope | IIIB2 | 150 - 170 cm | Reddish brown (5YR 4/3) sandy clay; common distinct yellowish brown (>15 mm) mottles; moderate coarse (50 mm) subangular blocky structure; rough-ped fabric; hard when dry; pH 7.0 | |
Elevation: | 20 m | ||||
Drainage: | Good | ||||
Parent material: | Holocene fine-textured alluvium | ||||
Vegetation: | Cleared; mostly introduced grasses with occasional Eucalyptus tereticornis and Acacia mearnsii | ||||
LABORATORY ANALYSES 941 | |||||||||||||||||||
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 | L | 0 | 10 | 56 | 12 | 17 | 5.6 | 74 | 0.005 | |||||||||
Al | 20 - 25 | L | 0 | 5 | 56 | 15 | 22 | 6.0 | 39 | 0.003 | |||||||||
AC | 30 - 60 | L | 0 | 7 | 57 | 17 | 19 | 6.7 | 22 | 0.001 | |||||||||
Cl | 72 - 90 | L | 0 | 12 | 60 | 13 | 15 | 7.3 | 21 | 0.001 | |||||||||
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 | 2.98 | 0.27 | 14 | 1.3 | 12 | 140 | 0.027 | 0.26 | 3.0 | 2.1 | 0.4 | 0.3 | 17.0 | 18 | 12 | 2 | 2 | 66 |
Al | 20 - 25 | 1.95 | 0.19 | 13 | 1.3 | 6 | 40 | 0.027 | 0.29 | 3.9 | 2.0 | 0.2 | 0.4 | 17.3 | 23 | 12 | 1 | 2 | 62 |
AC | 30 - 60 | 1.4 | 0.019 | 0.28 | 3.6 | 2.4 | 0.1 | 0.3 | 10.9 | 33 | 22 | 1 | 3 | 41 | |||||
Cl | 72 - 90 | 1.3 | 0.015 | 0.19 | 2.1 | 2.1 | 0.1 | 0.3 | 7.5 | 28 | 28 | 1 | 4 | 39 |