Location: Simpson | Australian Soil Classification: Humose-Acidic, Tenosolic, Redoxic HYDROSOL (thick, non-gravelly, sandy, deep) |
General Landscape Description: Gently undulating plain | Site Description:Broad (50-100 m) flat to slightly concave element between two shallow drainage lines |
Geology: Hanson Plain Sand |
SW62 Landscape |
Soil Profile Morphology:
A1 | 0-40 cm | Black (10YR2/1 moist, 10YR4/1 dry); loamy fine sand; massive firm consistence; pH 4.3; gradual and wavy change to: | SW62 Profile |
A2g | 40 cm+ | Very dark greyish brown (10YR3/2 moist and 10YR5/2 dry), becoming mottled with depth (90 cm+); loamy fine sand; massive firm consistence; pH 4.7. |
pH | Salinity Rating | Sodicity | Dispersion | |
Surface (A1 horizon) | Extremely Acid | Low | Non-Sodic | - |
Subsurface (A2) horizon) | Very Strongly Acid | Low | Non-Sodic | - |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | NaCl % | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
meq/100g | |||||||||
A1 | 0-40 | 4.3 | 3.4 | 0.13 | 0.35 | 0.53 | 0.09 | 0.62 | |
A2g | 40+ | 4.7 | 4 | <0.05 | <0.05 | 0.09 | <0.05 | 0.1 |
Horizon | Horizon Depth (cm) | Ex Al mg/kg | Ex Ac meq/100g | Field 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) |
A1 | 0-40 | 230 | 18 | 19 | 49 | 23 | 5 | ||
A2g | 40+ | 110 | 5.9 | 28 | 47 | 19 | 6 |