Location: Wickliffe, Settlement Road
Aust. Soil Class.:Vertic, Mesonatric, Grey and Black SODOSOL
Site Description: Barley paddock
SFS 10 |
Surface Soil | SFS 10 | ||
Ap | 0-15 cm | Dark yellowish brown (10YR 4/4 moist) with light brownish grey (10YR 6/2 dry) mottles; weakly pedal, crumb (<10 mm); weak to firm consistence; pH 5.5 abrupt and wavy change to: | |
A2 | 15-25/40 cm (in places) | Greyish brown (10YR 5/2 moist) conspicuously bleached (10YR 6/1 dry); fine sandy clay loam; apedal; pH 6.2; gradual change to: | |
Subsoil | |||
B1 | 35-60 cm (where present) | Greyish brown (10YR 5/2 moist) with grey to white (10YR 6/1-8/1 dry) mottles; with prominent, frequent (5-10 mm intervals); fine sandy clay loam; vertical pores (2 mm) infilled with darker light brownish grey (10YR 6/2) material; many fine pores (<1 mm); apedal; very hard consistence; pH 6.6; abrupt change to: | |
B21t | 15-25/40-100 cm | Very dark greyish brown (2.5Y 3/2) becoming olive brown (2.5Y 4/2) at depth; medium clay; deep wide cracks, 30-40 cm apart; extremely tough and rigid but sticky at base of cracks; pH 7.3 becoming pH 8.7 at 60-80 cm depth. |
pH | Salinity Rating | |||
Surface (A1 horizon) | Strongly Acid | Very Low | Non-Sodic | None |
Subsoil (B21 horizon) | Slightly Alkaline | Low | Strongly Sodic | Strong-Complete |
Deeper subsoil (at 80 cm) | Strongly Alkaline | Low-Medium | Strongly Sodic | Strong-Complete |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | NaCl | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
meq/100g | |||||||||
Ap | 0-8 | 5.5 | 4.7 | 0.12 | 4.5 | 3 | 0.26 | 0.51 | |
A2 | 15-25 | 6.2 | 4.7 | <0.05 | 1.6 | 1.5 | 0.15 | 0.46 | |
B1 | 40-60 | 6.6 | 5 | 0.08 | 2.8 | 4.6 | 0.27 | 2 | |
B21t | 20-40 | 7.3 | 6 | 0.23 | 6.8 | 12 | 0.99 | 4.9 | |
B21t | 60-80 | 8.7 | 7.9 | 0.49 | 0.06 | 6.8 | 14 | 1 | 7.8 |
B21 | 20-40 | 7.6 | 6.5 | 0.3 | 0.01 | 6.7 | 11 | 1.2 | 5 |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Field Capacity pF2.5 | Wilting Point pF4.2 | Coarse Sand (0.2-2.0 mm) | Fine Sand (0.02-0.2 mm) | Silt (0.002-0.02 mm) | Clay (<0.002 mm) |
Ap | 0-8 | 58 | 10 | 25.6 | 10.8 | 7.2 | 42.7 | 22.5 | 22.5 |
A2 | 15-25 | <10 | 4.7 | 20.9 | 6.2 | 6 | 48.6 | 24.5 | 17.5 |
B1 | 40-60 | 6.9 | 26.4 | 12.3 | 6.2 | 41.2 | 21 | 30 | |
B21t | 20-40 | 7 | 43.3 | 23.8 | 2.3 | 26.6 | 13 | 52.5 | |
B21t | 60-80 | 2.8 | 44.8 | 25.4 | 2.5 | 23.7 | 14.5 | 55.5 | |
B21 | 20-40 | 9.1 | 53.3 | 32 | 1.5 | 11.8 | 9 | 73 |