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Reference soil Malaysia 07: Acric Ferralsol
MY007
Distribution of Ferralsols (rough estimation supplied by soilgrids)
Reference soil MY007: Acric Ferralsols
Classification
FAO-UNESCO-ISRIC 1974Acric Ferralsol
Local classification:
Sungai mas series
Other classification
USDA-SCS (1975)
Acrorthox udic clayey oxidic isohyperthermic
Parent material
Kind 1 (parent material) ; Parker (eds), 1984
serpentinite
Land use
Land use or vegetation in the immediate vicinity of the site
(semi-)natural vegetation
Status of vegetation; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)
secondary
Major vegetation type; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)
evergreen forest
Physiography
Altitude
150m
Physiographic Unit
slope
Regional landform; McDonald, R.C., Isbell, R.F. et all, 1984; Australian soil and land survey Field Handbook, Inkata Press, Melbourne.
hill
Slope
5%
Hydrology and drainage
Drainage class ; FAO (2006) - Guidelines for soil description
well
Kind of ground water table (USDA, 1979)
no groundwater table observed
Moist From - To
0-300cm
Surface characteristics
Evidence of alkali ; Soil Survey Manual USDA, 1951
non-alkaline
Evidence of salt; Soil Survey Manual USDA, 1951
non-saline
Physical characteristics
Particle size distribution
Depth (cm)
Gravel % v/v
very coarse sand % w/w
coarse sand % w/w
medium sand % w/w
fine sand % w/w
very fine sand % w/w
Total sand % w/w
coarse silt % w/w
fine silt % w/w
Total silt % w/w
Clay % w/w
0-10
-
0.6
1.8
2.6
5.8
6.7
17.5
11.9
10.2
22.1
60.3
10-52
-
1.2
1.7
1.8
4.2
5.5
14.4
10.7
7.7
18.4
67.3
52-75
-
0.8
1.5
1.9
4.7
5.6
14.5
11.4
8.8
20.2
65.3
75-120
-
1
1.6
1.9
4.3
5.7
14.5
10
10.7
20.7
64.7
120-150
-
0.5
1.7
1.9
4.4
5.9
14.4
10.4
9.4
19.8
65.7
-
-
1.9
3
3
4.7
4.7
17.3
23.2
18.9
42.1
40.6
Water retention characteristics
Depth (cm)
Bulk density kg/dm³
Spec. Surf. Area m²/g
COLE cm/cm
Water disp. clay %
Clay % w/w
0-10
-
-
-
27.6
60.3
20-25
1.026
-
-
-
-
10-52
-
-
-
0.5
67.3
52-75
-
-
-
8.3
65.3
75-120
-
-
-
12.5
64.7
120-150
-
-
-
17.8
65.7
-
-
-
-
0
40.6
Other physical data
Depth (cm)
Bulk density kg/dm³
pF 0 % v/v
pF 1.0 % v/v
pF 1.5 % v/v
pF 2.0 % v/v
pF 2.3 % v/v
pF 2.7 % v/v
pF 3.4 % v/v
pF 4.2 % v/v
20-25
1.026
58.6
51.7
39.3
34.4
32.2
30.6
25.7
24.6
Chemical data
Depth (cm)
pH H2O
pHKCl
EC 1: 2.5 dS/m
CaCO3 % w/w
C % w/w
N %
C / N
Exch. Acid cmol(c)/kg
Exch. Al cmol(c)/kg
Ca cmol(c)/kg
Mg cmol(c)/kg
K cmol(c)/kg
Na cmol(c)/kg
Sum Cations cmol(c)/kg
0-10
5.0
4.1
0.21
-
2.78
0.16
17
0.5
0.3
0.0
0.9
0.4
0.0
1.3
10-52
5.7
5.3
0.03
-
0.82
0.06
14
0
0
0.0
0.6
0.2
0.0
0.8
52-75
5.9
5.8
0.02
-
0.40
0.03
13
0
0
0.0
0.4
0.1
0.0
0.5
75-120
5.9
5.7
0.02
-
0.34
-
-
0
0
0.0
0.2
0.1
0.0
0.3
120-150
6.0
5.8
0.02
-
0.29
-
-
0
0
0.0
0.3
0.1
0.1
0.5
-
6.3
6.2
0.03
-
0.08
-
-
0
0
0.4
0.1
0
0.2
0.7
Depth (cm)
Base sat. %
CEC soil cmol(c)/kg
CEC clay cmol(c)/kg
CEC org cmol(c)/kg
ECEC cmol(c)/kg
Al sat. %
ESP %
0-10
20
6.6
11
9.7
-
5
-
10-52
89
0.9
1.0
2.9
-
0
-
52-75
100
0.5
1.0
1.4
-
0
-
75-120
150
0.2
0
1.2
-
0
-
120-150
125
0.4
1.0
1.0
-
0
-
-
117
0.6
1.0
0.3
-
0
-
Depth (cm)
pH NaF
P Retention %
ODOE
Al o % w/w
Si o % w/w
Fe d % w/w
Al d % w/w
Fe p % w/w
Al p % w/w
C p % w/w
Fe o % w/w
0-10
-
-
-
0.08
0.01
8.9
1.2
-
-
-
0.16
10-52
-
-
-
0.1
0.02
7.6
1
-
-
-
0.14
52-75
-
-
-
0.1
0.04
22.73
3.16
-
-
-
0.14
75-120
-
-
-
0.11
0.03
7.9
1
-
-
-
0.14
120-150
-
-
-
0.11
0.03
23.15
3.14
-
-
-
0.15
-
-
-
-
0.19
0.06
-
-
-
-
-
0.2
Clay mineralogy
Depth (cm)
Chlorite
Feldspar
Gibbsite
Goethite
Halloysite
Hematite
Kaolinite
Mica / illite
Mixed-layer
Quartz
Smec
Vermiculite
0-10
-
-
very weak to weak
-
-
-
strong
-
-
-
-
-
10-52
-
-
very weak to weak
-
-
-
strong to very strong
-
-
-
-
-
52-75
-
-
very weak to weak
-
-
-
strong to very strong
-
-
-
-
-
75-120
-
-
very weak to weak
-
-
-
strong to very strong
-
-
-
-
-
120-150
-
-
very weak to weak
-
-
-
strong to very strong
-
-
-
-
-
Sand mineralogy
Depth (cm)
Heavy Frac. sand % w/w
K-Feldspar % w/w
Light Fra. sand % w/w
Opaque % w/w
Plagioclase % w/w
Quartz % w/w
120-150
20.5
1
79.5
100
-
99
Profile description
Ah 0-10 cm
reddish brown (5YR 4/3, moist)clay,moderate fine crumb,very friable,gradual smooth boundary to,
Bo1 10-52 cm
dark reddish brown (5YR 3/3, moist)clay,weak fine crumb to granular,very friable,diffuse smooth boundary to,
Bo2 52-120 cm
dark reddish brown (5YR 3/3, moist)clay,very weak fine granular,very friable,diffuse smooth boundary to,
Bo3 120-300 cm
dark reddish brown (5YR 3/3, moist)clay,weak to moderate medium and coarse subangular blocky,very friable,