Location: Glenormiston College.
Australian Soil Classification: Melacic, Eutrophic, Brown CHROMOSOL
Northcote Factual Key: Db2.12
Great Soil Group: podzolic
Geology: Quaternary volcanic tuff deposits (Qvs) derived from Mt. Noorat.
General Landscape Description: Level Plain.
Site Description: Paddock reserve associated with a non-irrigated dairy paddock.
Site SW19 Landscape
|A11||0-30 cm||Very dark brown (10YR2/2); fine sandy clay loam; strong polyhedral, parting to fine polyhedral structure; slight compaction evident; weak consistence dry; pH 4.9; abrupt change to:|
Site SW19 Profile
|A12||30-35 cm||Very dark brown (10YR2/2); fine sandy clay loam; very firm consistence dry; contains many (40%) manganese nodules (2-6 mm in size) as well as an ironstone accumulation and many dark root channels; pH 5.6; abrupt change to:|
Brown (7.5YR4/4); medium heavy clay; strong polyhedral, parting to fine polyhedral structure (shiny-faced peds); very firm consistence moist; contains few (5%) manganese nodules (2-5 mm in size) as well as worm casts; pH 6.4; clear change to:
|B22||70-100 cm||Brown (7.5YR4/4) with slight strong brown (7.5YR5/6) mottles; medium clay; moderate coarse polyhedral, parting to strong fine polyhedral structure; very firm consistence moist; contains few (2%) manganese nodules (2-5 mm in size) as well as few (10%) manganese stains; pH 7.0; abrupt change to:|
|C1||100-120 cm||Mainly weathered yellow brown volcanic tuff:|
Dark brown (7.5YR3/3); volcanic tuff; contains some olivine.
very strongly acid
The surface is very strongly acid. The subsoil is slightly acid, becoming neutral at 80 cm depth.
The salinity rating is low to very low throughout the profile.
The clay content increases abruptly at the A/B horizon boundary.
(0.2- 2.0 mm)
(0.02- 0.2 mm)
(0.002- 0.02 mm)