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MOP4

Location: Red HillAustralian Soil Classification: Red FERROSOL
Land Use: Orchard


MOP4 landscape
MOP4 Landscape
Soil Profile Morphology:

Surface Soil

A10-12 cmDark reddish brown (5YR 3/2); clay loam; strong medium to very fine sub-angular blocky structure; very weak (moist) consistence; pH 6.0; clear change to:MOP4 profile
MOP4 Profile
Subsoil
B112-20 cmReddish brown (5YR 4/4); light clay; strong medium polyhedral; weak (moist) consistence; pH 5.7; gradual change to:
B2220-60 cmRed (2.5YR 4/6); medium clay; strong medium to very fine polyhedral structure; weak (moist) consistence; pH 5.4; gradual change to:
B2360-110 cmReddish brown (2.5YR 4/4) with dark yellowish brown (10YR 5/6) mottles; light clay; pH 5.9:
B24110+ cmYellowish red (5YR 4/6) with brownish yellow (10YR 6/6) mottles; light clay; pH 5.6.

Key Profile Features:



Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Moderately Acid
Subsoil
(B21 horizon)
Moderately Acid
Deeper subsoil
(at 110+ cm)
Moderately Acid
1complete dispersion after remoulding


MOP7 graphs
Horizon
Horizon Depth
pH (water)
pH CaCl2
EC
1:5
NaCl
Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A1
0-12
6
5.3
5.7
0.19
8.8
2.4
3
0.27
B1
12-20
5.7
5.2
1.9
0.17
4.8
1.8
1.2
0.18
B22
20-60
5.7
5.4
0.09
3.2
7
0.38
0.48
B23
60-110
5.9
5.6
0.1
2.5
9.5
0.2
0.68
B24
110+
6
5.1
0.11
2.2
11
0.1
1.1

Horizon
Horizon Depth
Ex Al
mg/kg
Iron
g/100g
Ex Ac
meq/100g
Field
pF 2.5

Wilting Point
pF4.2
g/100g

Coarse Sand
(0.2-2.0mm)
%
Fine Sand
(0.02-0.2mm)
%

Silt
(0.002-0.02mm)
%
Clay
(<0.002mm)
%
A1
0-12
0.74
7.8
17
40
17.1
7
28
31
22
B1
12-20
0.74
9.8
9.4
31.3
15.9
4
30
27
34
B22
20-60
0.23
2.7
12
52.4
33
0
8
12
76
B23
60-110
0.29
3.2
11
55.8
34.3
7
7
12
77
B24
110+
0.34
3.5
12
57
33.8
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