Laboratory number: | 0955 | Profile Description | |||
Site number: | 402 | A1 | 0 - 8 cm | Dark brown (7.5YR 3/2) fine sandy loam; weak fine to medium (1 - 5 mm) crumb structure; rough-ped fabric; soft when dry; mica; abundant roots; pH 5.5; clear smooth boundary | |
Classification: | Northcote (1979) - Uc1.44 Stace et al. (1972) - Alluvial Soil | AC | 8 - 70 cm | Dark brown (7.5YR 3/2) fine sandy loam; apedal; earthy fabric; soft when dry; mica; pH 5.5; gradual smooth boundary | |
Location: | Bairnsdale 8422, grid ref. 570100 3 km S of Bairnsdale East | IIA1 | 70 - 90 cm | Very dark greyish brown (10YR 3/2) sand; apedal; earthy fabric; soft when dry | |
Land system, component: | Delta, 2 | IIAC | 90 - 150 cm | Dark brown (10YR 3/3) sand; apedal; earthy fabric; soft when dry; mica, 1% river gravel up to 200 mm; pH 5.8; clear smooth boundary | |
Topography: | 1% slope near crest of levee on Mitchell River | IIIA1 | 150 - 180 cm | Very dark grey (10YR 3/1) fine sandy clay loam; apedal; earthy fabric; soft when dry; pH 6.8 | |
Elevation: | 20 m | ||||
Drainage: | Good | ||||
Parent material: | Holocene fine-textured alluvium | ||||
Vegetation: | Cleared; introduced grasses, including Lolium perenne, Dactylis glomerata and Bromus catharticus, with occasional Acacia mearnsii | ||||
LABORATORY ANALYSES 955 | |||||||||||||||||||
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 - 8 | SL | 0 | 12 | 62 | 10 | 10 | 5.4 | 100 | 0.006 | |||||||||
AC | 30 - 60 | LS | 0 | 13 | 66 | 9 | 10 | 22 | 20 | 2 | 2.0 | 5.0 | 32 | 0.002 | |||||
IIA1 | 70 - 90 | LS | 0 | 11 | 67 | 9 | 8 | 19 | 18 | 1 | 1.4 | 5.3 | 31 | 0.001 | |||||
IIAC | 90 - 120 | SL | 0 | 9 | 76 | 4 | 9 | 6.0 | 36 | 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 - 8 | 2.22 | 0.23 | 13 | 1.0 | 88 | 480 | 0.044 | 0.26 | 2.7 | 1.9 | 1.2 | 0.2 | 13.9 | 19 | 14 | 9 | 1 | 57 |
AC | 30 - 60 | 1.3 | 36 | 90 | 0.038 | 0.26 | 2.1 | 1.1 | 0.2 | 0.2 | 13.7 | 15 | 8 | 1 | 1 | 75 | |||
IIAI | 70 - 90 | 1.2 | 38 | 80 | 0.040 | 0.22 | 2.0 | 1.3 | 0.2 | 0.3 | 10.8 | 19 | 12 | 2 | 3 | 64 | |||
IIAC | 90 - 120 | 1.1 | 44 | 70 | 0.036 | 0.21 | 1.5 | 1.0 | 0.2 | 0.4 | 7.9 | 19 | 13 | 3 | 5 | 60 |