Laboratory number: | 1000 | Profile Description | |||
Site number: | 706 | A11 | 0 - 5 cm | Dark reddish brown (5YR 3/2) loam; some coarse sand particles; moderate crumb structure; rough-ped fabric; hard when thy; pH 5.5; gradual boundary | |
Classification: | Northcote (1979) - Gn4.13 Stace et al. (1972) - Terra Rossa | A12 | 5 - 20 cm | Dark reddish brown (5YR 3/3) clay loam to loamy clay; weak crumb structure; rough-ped fabric; hard when dry; 5% quartz gravel up to 10 mm; pH 5.5; gradual boundary | |
Location: | Maffra 8222, grid ref. 867005 7 km NE of Heyfield | B1 | 20 - 45 cm | Dark reddish brown (5YR 3/4) medium clay; common distinct dark brown (<5 mm) mottles; weak angular blocky structure; rough-ped fabric; very firm when moist; pH 6.0; gradual boundary | |
Land system, component: | Maffra 1, 4 | B2 | 45 - 110 cm | Dark red (2.5YR 3/6) medium to light clay; common distinct dark brown (5 - 15 mm) mottles; moderate medium (10 mm) angular blocky structure; rough-ped fabric; very firm when moist; pH 7.0; gradual boundary | |
Topography: | Plain, 1% slope | C | 110 - 150 cm | Reddish brown (5YR 4/4) light clay; apedal; earthy fabric; friable when moist; pH 8.0 | |
Elevation: | 10 m | ||||
Drainage: | Moderate | ||||
Parent material: | Holocene fine-textured alluvium | ||||
Vegetation: | Cleared; some Eucalyptus tereticornis remaining | ||||
LABORATORY ANALYSES 1000 | |||||||||||||||||||
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 % | ||||||
0 - 5 | SiL | 13 | 8 | 41 | 28 | 18 | 5.6 | 45 | 0.001 | ||||||||||
20 - 30 | SiL | 3 | 8 | 46 | 28 | 17 | 20 | 15 | 5 | 4.0 | 5.9 | 22 | 0.001 | ||||||
45 - 60 | C | 5 | 2 | 24 | 17 | 54 | 58 | 21 | 37 | 15 | 6.1 | 71 | 0.001 | ||||||
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 | |||||||||||||||||||
0 - 5 | 1.9 | 0.17 | 15 | 11 | 260 | 0.014 | 0.22 | 2.2 | 1.3 | 0.6 | 0.05 | 12.0 | 18 | 11 | 5 | <1 | 66 | ||
20 - 30 | 0.31 | 0.046 | 9 | 1.4 | 5 | 70 | 0.008 | 0.19 | 0.1 | 6.0 | 22 | 17 | 3 | 2 | 56 | ||||
45 - 60 | 4.2 | 3.5 | 5.7 | 0.2 | 1.0 | 19.6 | 18 | 29 | 1 | 5 | 47 |