Laboratory number: | 0940 | Profile Description | |||
Site number: | 387 | A11 | 0-12 cm | Dark brown (10YR 3/3) fine sandy loam; moderate angular blocky structure (5 mm); rough-ped fabric; soft when dry; abundant roots; pH 5.5; clear boundary | |
Classification: | Northcote (1979) – Dy3.22 Stace et al (1972) – Non-calcic Brown Soil | A12 | 12-25 cm | Dark brown (10YR 3/3) fine sandy loam; weak subangular blocky structure (5 mm); rough-ped fabric; slightly hard when dry; abundant roots; pH 6.0; clear wavy boundary | |
Location: | Stratford 8322, grid ref. 04616 1 km W of Briagolong (Gorge Road) | A2 | 25-42 cm | Dark yellowish brown (10YR 4/4) fine sandy clay loam; apedal; earthy fabric; slightly hard when dry; many roots; pH 7.0; clear wavy boundary | |
Land system, component: | Briagolong, 1 | B2 | 42-80 cm | Strong brown (7.5YR 4/6) light clay; abundant prominent dark red mottles (5-15 mm); strong angular blocky structure (7 mm); rough-ped fabric; slightly hard when dry; many roots; pH 7.0; clear wavy boundary | |
Topography: | 1% slope on alluvial terrace | C | 80-150 cm | Dark reddish brown (5YR ¾) fine sandy loam; weak angular blocky structure (5 mm); porous; rough-ped fabric; hard when dry; manganiferous nodules; pH 6.5 | |
Elevation: | 40 m | ||||
Drainage: | Good | ||||
Parent material: | Pleistocene fine-textured alluvium | ||||
Vegetation: | Cleared: grassland with predominantly Phalaris aquatica and Sporobolus africanus | ||||
Remarks: | Monolith taken |
LABORATORY ANALYSES 940 | |||||||||||||||||||
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 % | ||||||
A11 | 0-10 | SiL | 0 | 5 | 46 | 25 | 20 | 5.1 | 50 | 0.005 | 30-42 | Mica 80; Kaolinite 15; Illite 5 | |||||||
A12 | 12-20 | SiL | 0 | 4 | 47 | 28 | 21 | 27 | 17 | 10 | 5.0 | 5.6 | 27 | 0002 | |||||
A2 | 30-42 | SiL | 0 | 4 | 40 | 30 | 25 | 6.2 | 22 | 0.002 | |||||||||
B2 | 60-80 | SiC | 0 | 1 | 26 | 54 | 41 | 40 | 18 | 22 | 12 | 6.3 | 35 | 0.002 | |||||
C | 90-120 | SiL | 0 | 6 | 45 | 27 | 23 | 6.5 | 34 | 0.003 | |||||||||
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 | |||||||||||||||||||
A11 | 0-10 | 2.07 | 0.21 | 13 | 1.4 | 8 | 260 | 0.020 | 0.31 | 1.9 | 0.8 | 0.9 | 0.1 | 13.1 | 15 | 6 | 7 | 1 | 71 |
A12 | 12-20 | 0.90 | 0.10 | 12 | 1.5 | 8 | 240 | 0.017 | 0.36 | 2.8 | 1.1 | 0.7 | 0.1 | 9.7 | 29 | 11 | 7 | 1 | 52 |
A2 | 30-42 | 2.2 | 0.013 | 0.48 | 2.7 | 1.5 | 0.7 | 0.1 | 7.9 | 34 | 19 | 9 | 1 | 37 | |||||
B2 | 60-80 | 3.8 | 0.017 | 0.62 | 4.7 | 3.8 | 0.5 | 0.5 | 16.1 | 29 | 24 | 3 | 3 | 41 | |||||
C | 90-120 | 2.7 | 0.014 | 0.49 | 2.*9 | 2.9 | 0.2 | 0.5 | 0.4 | 28 | 28 | 2 | 5 | 37 |