Your gateway to a wide range of natural resources information and associated maps

Victorian Resources Online

ESAS8b

Location: Dunkeld

Soil Profile Morphology:
ESAS8a -b landscape
ESAS8a-b Landscape

Surface Soil

A10-10 cmFine sandy clay loam+; moderate to strong coarse to medium polyhedral structure; pH 6.5:
ESAS8b profile
ESAS8b profile
Subsoil
B2110-40 cmDark greyish brown (10YR4/2) with many (~50%) yellowish brown (10YR5/6) mottles; heavy clay; moderate to strong coarse to very coarse prismatic, parting to moderate coarse to very coarse subangular blocky structure; very few (~2%) ferruginous nodules; dispersed without remoulding; pH 7.9:
B2240-80 cmGreyish brown (2.5Y5/2) with many (~40%) dark yellowish brown (10YR4/6) mottles; heavy clay; coarse prismatic structure; loose structure; pH 8.6:
B2380+ cmGreyish brown (2.5Y5/2); heavy clay; strong fine to coarse lenticular structure; pH 8.6.
Key Profile Features:
  • Below 1m weathering basalt boulders.
Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Slightly Acid
Subsoil
(B21 horizon (30-45 cm)
Slightly Alkaline
Deeper subsoil
(at 80+ cm)
Moderately Alkaline

ESAS8b graphs

Horizon
Horizon
Depth
(cm)
pH
(water)
pH
(CaCl2)
EC 1:5
Organic Carbon
g/100g
NaCl
%
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
0-10
6.5
6.1
0.24
2.8
9.6
7.3
2.2
1.1
B21
10-40
7.9
7.2
0.26
0.02
8.4
15
2.7
3.6
B22
40-80
8.6
7.7
0.29
0.02
6.8
13
1.1
5
B23
80+
8.6
7.8
0.07
0.06
7.3
16
0.53
6.5

Horizon
Horizon Depth
(cm)
Exchangeable
Aluminium
mg/kg
Exchangeable Acidity
meq/100g
Field
Capacity
pF2.5
Wilting
Point
pF4.2
Gravel
%
Coarse Sand
(0.2-2.0mm)
Fine Sand
(0.02-0.2mm)
Silt
(0.002-0.02mm)
Clay
(<0.002mm)
A1
0-10
7.2
31.3
18.7
12
31
14
34
B21
10-40
51.4
29.1
6
14
11
65
B22
40-80
39
22.3
9
25
11
51
B23
80+
43.4
25.5
Page top