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VIT8



Soil Profile Morphology:

Surface Soil

A10-10 cmBrown (7.5YR 4/4); fine sandy clay loam; moderate coarse blocky parting to fine blocky; very few quartz fragments; pH 5.0; clear change to:

A210-20 cmStrong brown (7.5YR 4/6); fine sandy clay loam; moderate to strong medium blocky; very firm consistence (dry); very few course fragments (20-40 mm); pH 5.1; clear change to:

Subsoil
B120-30 cmDark red )2.5YR 4/6); light clay (30-33%); moderate to strong medium blocky, parting to weak fine blocky; very firm consistence (dry); pH 5.3; clear change to:

B2130-75 cmDark red (2.5YR 4/6); light medium clay; moderate coarse blocky, parting to moderate to strong medium, parting to moderate to strong fine blocky structure; weak consistence (moist); weathered sandstone at 50 cm; pH 5.2; gradual change to:

B2275-110 cmusky red (2.5YR 4/4); light medium clay; moderate medium blocky, parting to moderate to strong fine blocky structure; weathered sandstone common and some quartz fragments; increase in fragments to 10-15% mainly weathered sandstone; pH 5.3.

Key Profile Features:


Soil Profile Characteristics:

Horizon
pH
Salinity Rating
Surface
(A11 horizon)
Strongly Acid
Subsoil
(B21 horizon)
Strongly Acid
Deeper subsoil
(at 75-110 cm)
Strongly Acid


Ovens 2 graphs

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC 1:5
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
0-10
5.0
4.3
0.10
3.2
1.2
0.83
0.06
A2
10-20
5.1
4.3
<0.05
2.1
0.64
0.59
<0.05
B1
20-30
5.3
4.4
<0.05
2.6
0.76
0.59
<0.05
B21
30-75
5.2
4.4
<0.05
2.7
1.5
0.48
,0.05
B22
75-110
5.3
4.5
<0.05
2.1
1.9
0.53
0.09

Horizon
Horizon Depth
(cm)
Exchangeable Aluminium
mg/kg
Exchangeable
Acidity
mg/kg
Field Capacity
pF 2.5
Wilting Point
pF 4.2
Coarse Sand
(0.2-2.0 mm)
Fine Sand
(0.02-0.2 mm)
Silt
(0.002-0.02 mm)
Clay
(<0.002 mm)
A1
0-10
110
31.4
10.9
8.8
24.9
30.5
23.5
A2
10-20
160
26.0
14.5
6.6
27.3
33.0
27.0
B1
20-30
180
25.5
12.1
5.2
24.3
28.5
38.0
B21
30-75
210
38.1
16.3
5.2
18.9
25.0
48.5
B22
75-110
220
29.6
17.4
5.9
19.1
25.0
48.5