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VIT7

Location: Between 19 year old vines


Soil Profile Morphology:

Surface Soil

A110-10 cmBrown (7.5YR 4/4); fine sandy clay loam; moderate coarse blocky, parting to moderate medium blocky, parting to weak to moderate fine blocky; weak to firm consistence (moist); very few quartz fragments (2-20 mm), plus very few RT (??) rounded tubular fragments (6-20 mm); compated to 1-2 cm; pH 6.4; clear change to:

A1210-20 cmBrown (7.5YR 5/4); fine sandy clay loam; moderate coarse blocky, parting to moderate medium blocky (??); weak to firm consistence (moist); few quartz fragements (2-5 mm), plus RT (6-20 mm) (??); pH 6.2; abrupt change to:

Subsoil
B2120-35 cmYellowish red (5YR 5/8); light clay (fine sandy); sub plastic light medium clay; moderate coarse blocky, parting to moderate fine blocky; weak to firm consistence (moist); soft manganese stains; some mixing of A2 (worms), sporadic pebbles; pH 5.5; gradual change to:

B2235-45 cmYellowish red (5YR 5/6); fine sandy clay loam; moderate coarse blocky, parting to moderate fine blocky; some mixing as for 20-35 due to "lifting" operation; pH 4.9; abrupt change to:

B2345-90 cmYellowish red (5YR 5/6); very many RT (??) (60-200 mm); abrupt change to:

90+ cmLight sand; pebbles at 90-110 cm, 20% light sand at 110+ cm.

Key Profile Features:


Soil Profile Characteristics:

Horizon
pH
Salinity Rating
Surface
(A11 horizon)
Slightly Acid
Subsoil
(B21 horizon)
Strongly Acid
Deeper subsoil
(at 35-45 cm)
Very Strongly Acid


Ovens 1 graphs

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC 1:5
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A11
0-10
6.4
5.9
0.10
8.4
1.9
1.3
<0.05
A12
10-20
6.2
5.4
0.06
3.9
1.1
1
<0.05
B21
20-35
5.5
4.8
<0.05
2.6
1.2
0.74
<0.05
B22
35-45
5.9
4.2
<0.05
1.1
0.44
0.48
<0.05
B23
45-90
90+

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)
A11
0-10
<10
28.2
11.8
8.6
34.7
28
21
A12
10-20
<10
21.9
10.7
11.6
34.9
25.5
22.5
B21
20-35
50
25.5
12.6
3.2
33.8
28.5
32
B22
35-45
180
24
11.6
8.2
32.5
26.5
29.5
B23
45-90
90+