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DU55

Location: Cudgee

Australian Soil Classification: Vertic (& Ferric), Mottled-Subnatric, Brown SODOSOL


DU55 landscape
DU55 Landscape



Soil Profile Morphology:

Surface Soil

A10-35 cm Dark brown (10YR3/3); fine sandy clay loam; pH 5.3:
DU55 profile
DU55 Profile


A235-45 cmDark greyish brown (10YR4/2); sporadic bleaching; many ferruginous-manganiferous nodules (2-4 mm):
Subsoil

B2145-80 cmVery dark grey (10YR3/1) with yellowish brown (10YR5/6) mottles; medium heavy clay; moderate coarse prismatic, parting to strong medium-fine polyhedral structure; few (10%) ferruginous-manganiferous nodules (5-50 mm); pH 6.4:
B2280-110 cmWeak red (2.5YR5/4); medium heavy clay; slickensides and lenticular peds; pH 7.2:
B23110-170 cmGrey (10YR5/1) with dark red (2.5YR4/8) and red (2.5YR5/6) mottles; few (5%) nodules (10-30 mm); pH 8.4.

DU55 lenticular
Lenticular structure





Soil Profile Characteristics:
-

pH
Salinity
Surface Soil
(A1 horizon)
Strongly Acid
Very Low
Non-Sodic
None
Subsoil
(B21 Horizon cm)
Slightly Acid
Low
Sodic
None1
Deeper Subsoil
(110-170 cm)
Moderately Alkaline
Medium
Sodic
Slight
1 Moderate dispersion after remoulding (20 hrs).

DU55 graphs

Chemical and Physical Analysis:
Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl
2)
EC
dS/m
Exchangeable Acididty
meq/100g
Exchangeable Cations
Wilting Point
% w/w
Ca
Mg
K
Na
meq/100g
A1
0-35
5.3
4.7
0.07
14
5.3
1.7
0.19
0.32
10.9
A2
35-45
B21
45-80
6.4
5.6
0.10
11
7.8
0.3
1.3
B22
80-110
7.2
6.6
0.26
14
9.3
0.3
2.9
B23
110-170
8.4
8.0
0.70
22
9.4
0.31
4.5
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