CFTT21
| Site: Stockdale | Location: APP species/seedlot trial VRV 149 |
| Aust. Soil Class.: Brown CHROMOSOL or KUROSOL (depending on pH of upper subsoil) | Great Soil Group: soloth |
| Tech. Class: 052-6-50/2-1-3-32 | General Landscape Description: Gently undulating plain |
| Site Description: 1% slope to north | Geology: Late Tertiary sediments |
| APP Mapping Unit: Stockdale | |
Soil Profile Morphology:
Surface Soil
| A1 | 0 – 20 cm | Dark greyish brown (10YR4/2); fine sandy loam; weak fine granular structure; loose when dry; clear and smooth transition to: |  CFTT21 Profile |
| A2 | 20 – 30 cm | Pale brown (10YR6/3), conspicuously bleached (10YR8/2 dry); loamy fine sand; single grained structure; slightly fine gravelly, subrounded quartz; loose when dry; sharp and smooth transition to: | |
| Subsoil | |||
| B21 | 30 – 80 cm | Dark yellowish brown (10YR4/6), with common, medium, faint dark yellowish brown (10YR4/4) mottles; medium heavy clay; moderate very coarse polyhedral structure, parting to moderate coarse subangular blocky structure; very slightly fine gravelly, subrounded quartz; strong consistence moist; diffuse and smooth transition to: | |
| B22 | 80 – 100 cm | Yellowish brown (10YR5/6), with many, very coarse, prominent, reddish brown (2.5YR4/4) and light grey (10YR6/1) mottles; medium heavy clay; moderate very coarse polyhedral structure, parting to moderate coarse subangular blocky structure; very slightly fine gravelly, subrounded quartz; strong consistence moist; clear and smooth transition to: | |
| C | 120 – 160 cm | Light grey (10YR6/1), many, very coarse, prominent, yellowish brown (10YR5/6) and red (2.5YR4/6) mottles; clayey sand; massive; slightly fine gravelly, subrounded quartz; strong consistence moist. Soft sandstone continues to at least 2.0 m. | |
Key Profile Features:
- Strong texture contrast between surface (A) horizons and subsoil (B21) horizon.
- Conspicuously bleached subsurface (A2) horizon.
- This soil was mapped as Mullungdung, which is meant to have a deeper and “brighter” A2 horizon than Stockdale. In fact it is a shallow version of Stockdale soil type.
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