Laboratory number: | 0965 | Profile Description | |||
Site number: | 483 | A1 | 0-20 cm | Very dark greyish brown (10YR 3/2) loamy sand; apedal; earthy fabric; soft when dry; pH 5.5; clear boundary | |
Classification: | Northcote (1979) – Uc4.22 Stace et al (1972) - Podzol | A21 | 20-40 cm | Dark greyish brown (10YR 4/2) sand; apedal; sandy fabric; soft when dry; pH 5.5; gradual boundary | |
Location: | Stratford 8322, grid ref. 397950 2 km SW of Bengworden | A22 | 40-75 cm | Yellowish brown (10YR 5/4) sand; apedal; sandy fabric; soft when dry; pH 6.0; gradual boundary | |
Land system, component: | Barrier 1 | B21ir | 75-120 cm | Yellowish brown (10YR 5/6) sand; apedal; sandy fabric; soft when dry; pH 6.0; diffuse boundary | |
Topography: | Crest slope of relict dune facing W, 5% gradient | B22ir | 120-210 cm | Yellowish brown (10YR 5/6) sand; apedal; sandy fabric; soft when dry; 15% ferruginous concretions (30 mm); pH 6.5; clear boundary | |
Elevation: | 20 m | C | 210+ cm | Yellowish brown (10YR 5/4) sand; common distinct reddish brown mottles; apedal; sandy fabric; soft when dry | |
Drainage: | Good | ||||
Parent material: | Pleistocene sand of marine origin | ||||
Vegetation: | Cleared; predominantly Pteridium esculentum, Themeda australis and Sporobolus africanus with scattered Acacia mearnsii, Casuarina littoralis and Leptospermum sp | ||||
LABORATORY ANALYSES 965 | |||||||||||||||||||
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 µS/cm | Cl- % | Depth cm | Composition % | ||||||
A1 | 0-10 | SL | 1 | 50 | 34 | 3 | 16 | 6.1 | 31 | 0.003 | |||||||||
A21 | 30-40 | SL | 0 | 56 | 31 | 2 | 14 | 6.2 | 11 | 0.001 | |||||||||
A22 | 60-75 | S | 0 | 53 | 42 | 3 | 2 | 6.3 | 14 | 0.001 | |||||||||
B21ir | 75-90 | S | 0 | 52 | 42 | 2 | 3 | 6.5 | 15 | 0.001 | |||||||||
B22ir | 90-120 | S | 0 | 53 | 41 | 3 | 3 | 6.7 | 17 | 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 | |||||||||||||||||||
A1 | 0-10 | 1.8 | 0.12 | 20 | 0.3 | 5 | 120 | 0.006 | 0.038 | 3.6 | 0.8 | 0.3 | 0.04 | 9.0 | 40 | 9 | 3 | <1 | 48 |
A21 | 30-40 | 0.002 | 0.023 | 0.7 | 0.2 | 0.04 | 0.03 | 1.6 | 44 | 13 | 3 | 2 | 38 | ||||||
A22 | 60-75 | 0.20 | 0.015 | 17 | 0.2 | 2 | 30 | 0.002 | 0.020 | 0.8 | 0.2 | 0.05 | 0.01 | 1.7 | 47 | 12 | 3 | 1 | 37 |
B21ir | 75-90 | 0.17 | 0.013 | 17 | 0.4 | 2 | 30 | 0.002 | 0.019 | 0.8 | 0.2 | 0.05 | 0.01 | 2.0 | 40 | 10 | 3 | 1 | 56 |
B22ir | 90-120 | 0.15 | 0.011 | 18 | 0.4 | 1 | 40 | 0.002 | 0.021 | 0.09 | 0.2 | 0.07 | <0.01 | 2.0 | 45 | 10 | 4 | <1 | 41 |