Location: Nirranda South
Australian Soil Classification: Vertic, Mottled-Subnatric, Brown SODOSOL
General Landscape Description: Mid slope of a gently undulating rise. Gilgai micro relief.
Site Description: Grazing paddock.
|O||0-4 cm||Organic mat:||
|A1||4-12 cm||Very dark greyish brown (10YR3/2); sandy clay loam (spongy); weak coarse blocky parting to medium blocky structure; rusty root channel mottling; firm consistence dry; pH 5.9; clear change to:|
|A2||12-20 cm||Light yellowish brown (10YR6/4) with dark greyish brown (10YR4/2) mottles; sandy clay loam; weak coarse blocky, parting to weak medium blocky structure; firm consistence dry; pH 6.6; sharp change to:|
|B21||20-30 cm||Dark greyish brown (2.5Y4/2) with few yellowish brown (10YR5/8) mottles; medium heavy clay; moderate to strong coarse prismatic parting to moderate to strong coarse blocky structure; strong consistence dry; pH 7.1; clear change to:|
NOTE: Subsoil variability - B21 can also be 10YR3/2, light clay (fine sandy).
|B22||30-60 cm||Dark greyish brown (2.5Y4/2) with many yellowish brown (10YR5/6) mottles; light medium clay; strong consistence dry; contains few manganese stains in patches; pH 7.4; clear change to:|
|B23||60-100 cm||Olive brown (2.5Y4/4) with many yellowish brown (10YR5/6) mottles; heavy clay; strong medium lenticular parting to fine lenticular structure; weak consistence dry; pH 7.2; clear change to:|
|B24||100-140 cm||Yellowish brown (10YR5/6) with many greyish brown (2.5Y5/2) and few red (2.5YR5/6) mottles; medium heavy clay; strong coarse lenticular, parting to strong fine lenticular structure; weak consistence dry; contains very many ferruginous sub-rounded nodules (2-15 mm in size); pH 7.8.|
(at 100-140 cm)
|The surface soil is moderately acid. The subsoil is slightly alkaline.||The salinity rating in the surface is low, the subsoil is very low to low.||The surface is non sodic. The subsoil is sodic.|