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WCSS07

Location: Bellarine


Australian Soil Classification: Vertic, Hypercalcic, Brown CHROMOSOL

General Landscape Description: Low hills.
Site Description: Upper slope of a hill slope.
Geology: Neogene sediments, calcareous.
Land Use: Vineyard.

Image: WCSS06 & 07 Landscape
WCSS07 Landscape

Soil Profile Morphology:

Surface Soil

A110-10 cmBlack (7.5YR2.5/1); firm surface condition; heavy sandy loam; weak medium platy structure; rough faced peds; firm consistence dry; contains a few medium ferruginous concretions; pH 6.5; clear change:


Image: WCSS07 Profile WCSS07 Profile
A1210-20 cm Very dark grey (7.5YR3/1); sandy loam; massive; earthy fabric; firm consistence dry; pH 6.4; abrupt change:

Subsoil

B2120-40 cmVery dark grey (7.5YR3/1) with a few medium faint dark yellowish brown (10YR4/6) mottles; light medium clay; massive; strong very coarse angular blocky, parting to medium angular blocky structure, with some lenticular structure; very strong consistence dry; small slickenslides evident; pH 6.8; diffuse change:

B2240-70 cmYellowish brown (10YR5/4) with many distinct coarse very dark grey (7.5YR3/1) and reddish brown (5YR4/4) mottles; light medium clay; strong very coarse angular blocky, parting to medium angular blocky structure; strong consistence dry; pH 8.3; abrupt change:

Ck70–130+ cmLight brown (10YR6/3); medium clay; massive; strong consistence dry; abundant calcareous segregations; pH 9.4.

Soil Profile Characteristics:


pH

Salinity Rating


Surface
(A1 horizon)
Slightly Acid
Low
None1
Subsoil
(B21 horizon)
Slightly Acid
Low
Moderate2
Deeper Subsoil
(at 70-130 cm)
Very Strongly Alkaline
Low to Medium
-
1 Slight dispersion after remoulding. 2Strong dispersion after remoulding.


Image:  WCSS07 Graphs

The surface and upper subsoil is slightly acid. The deeper subsoil is very strongly alkaline.The salinity rating in the surface and upper subsoil is low. The deeper subsoil has a low to medium salinity rating.

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
Coarse Sand
(0.2-2.0 mm)
Fine Sand
(0.02-0.2 mm)
Silt
(0.002-0.02 mm)
Clay
(<0.002 mm)
A11
0-10
6.5
6.1
0.19
A12
10-20
6.4
5.9
0.15
B21
20-40
6.8
6.0
0.26
7
20
4
64
B22
40-70
8.3
7.4
0.26
Ck
70-130+
9.4
8.5
0.47

Profile Described By:
David Rees and Siegfried Engleitner (March 2010).
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