Skip to main content
You are here
Home
Reference soil Malaysia 05: Rhodic Ferralsol
MY005
Distribution of Ferralsols (rough estimation supplied by soilgrids)
Reference soil MY005: Rhodic Ferralsols
Classification
FAO-UNESCO-ISRIC 1974Rhodic Ferralsol
Local classification:
Segamat series
Other classification
USDA-SCS (1975)
Haplorthox udic clayey kaolinitic isohyperthermic
Parent material
Kind 1 (parent material) ; Parker (eds), 1984
lapilli
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 position of the site
flat
Regional landform; McDonald, R.C., Isbell, R.F. et all, 1984; Australian soil and land survey Field Handbook, Inkata Press, Melbourne.
hill
Slope
2%
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)
undulating
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
0-124cm
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
0-7
-
0.1
0.4
0.5
0.6
0.3
1.9
3.3
3.8
7.1
90.9
7-14
-
0.1
0.2
0.2
0.5
0.3
1.3
0.8
4
4.8
93.9
24-49
-
0.1
0.1
0.3
0.4
0.2
1.1
0.8
2.7
3.5
95.4
49-82
-
0.1
0.1
0.3
0.4
0.2
1.1
0.5
2.6
3.1
95.6
82-123
-
0.1
0.2
0.3
0.5
0.2
1.3
2.1
2.3
4.4
94.4
123-150
-
0.1
0.2
0.2
0.4
0.2
1.1
0.5
3.1
3.6
95.3
Water retention characteristics
Depth (cm)
Bulk density kg/dm³
Spec. Surf. Area m²/g
COLE cm/cm
Water disp. clay %
Clay % w/w
15-20
0.831
-
-
-
-
0-7
-
-
-
50.3
90.9
7-14
-
-
-
50.1
93.9
24-49
-
-
-
2.5
95.4
49-82
-
-
-
2
95.6
82-123
-
-
-
1.5
94.4
123-150
-
-
-
1
95.3
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
15-20
0.831
61.1
56.6
43.2
40.1
38.5
37.4
32.6
30
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
0-7
5.4
4.5
0.23
-
4.12
0.36
11
0.2
0.1
5.5
2.1
0.5
0.0
8.1
7-14
5.1
4.3
0.07
-
1.67
0.18
9
0.3
0.2
2.1
1.0
0.2
0.0
3.3
24-49
4.8
4.0
0.04
-
1.03
0.11
9
1.6
1.3
0.4
0.3
0.1
0.0
0.8
49-82
5.0
4.0
0.03
-
0.71
0.09
8
1.4
1.2
0.4
0.2
0.1
0.0
0.7
82-123
5.0
4.1
0.01
-
0.55
0.02
28
0.7
0.6
0.4
0.1
0.1
0.0
0.6
123-150
5.2
4.4
0.01
-
0.55
0.08
7
0.3
0.2
0.4
0.1
0.1
0.0
0.6
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 %
0-7
55
14.8
16
14.4
-
1
-
7-14
55
6
6
5.8
-
3
-
24-49
27
3.0
3.0
3.6
-
43
-
49-82
32
2.2
2.0
2.5
-
55
-
82-123
30
2.0
2.0
1.9
-
30
-
123-150
33
1.8
2.0
1.9
-
11
-
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
0-7
-
-
-
0.13
0.02
7.3
1.1
-
-
-
0.1
7-14
-
-
-
0.12
0.02
7
1
-
-
-
0.09
24-49
-
-
-
0.13
0.02
7
1
-
-
-
0.08
49-82
-
-
-
0.13
0.02
11.79
17
-
-
-
0.08
82-123
-
-
-
0.14
0.03
6.9
1.2
-
-
-
0.08
123-150
-
-
-
0.14
0.03
11.84
1.65
-
-
-
0.08
Clay mineralogy
Depth (cm)
Chlorite
Feldspar
Gibbsite
Goethite
Halloysite
Hematite
Kaolinite
Mica / illite
Mixed-layer
Quartz
Smec
Vermiculite
0-7
-
-
-
weak
-
-
very strong
-
very weak to weak
-
-
-
7-14
-
-
-
weak
-
-
very strong
-
very weak to weak
-
-
-
24-49
-
-
-
weak
-
-
very strong
-
very weak to weak
-
-
-
49-82
-
-
-
weak
-
-
very strong
-
very weak to weak
-
-
-
82-123
-
-
-
weak
-
-
very strong
-
very weak to weak
-
-
-
123-150
-
-
-
weak
-
-
very strong
-
very weak to weak
-
-
-
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
123-150
0.1
2
99.9
100
-
98
Rare clay minerals
Depth (cm)
Boehmite
Cristobalite
Jarosite
Nordstrandite
Palygorskite
Septechlorite
0-7
-
-
-
very weak
-
-
Profile description
Ah 0-7 cm
dark reddish brown (2.5YR 3/4, moist)clay,moderate fine and medium crumb,friable,clear smooth boundary to,
Bo1 7-30 cm
reddish brown (2.5YR 4/4, moist)clay,weak to moderate fine and medium subangular blocky,friable,clear smooth boundary to,
Bo2 30-64 cm
red (2.5YR 4/6, moist)clay,weak fine crumb,very friable,diffuse smooth boundary to,
Bo3 69-150 cm
red (2.5YR 4/6, moist)clay,weak fine and medium crumb,friable,