Table 2.5 Distribution of soil classification criteria across 11 villages in north-west Vietnam and 3 villages in north-west Thailand
Criterion/
Hamlet
North-west Vietnam
North-west Thailand
Khau
Khoang
Ban Dao
Keo Bo
C
On
Oc
Cho
Long
Ban
Dan
Kho
Vang
Chieng
Khoi
Ban
Nhuom
Ban
Chum
Ban
Huon Bor Krai Mae Sa Huay Bong
Ethnicity
Hmong
Thai
Black
Lahu
Hmong Karen
Parent
materials
(lower extent)
Clay
Shale/
Limestone
Limestone,
Siltstone
Magmatite
Limestone
Limestone
Clay
Shale,
Limestone
Silt-,
Sand-,
Limestone
Silt-, Clay-,
Sandstone,
(fluvial
Sediments,
Limestone)
Limestone,
Basalt
Limestone,
Basalt
Limestone,
Basalt
Lime-,
Clay-,
Silt-,
Sandstone
Granite,
Paragneiss
(Marble)
Sandstone,
(Shale,
Conglomerate)
Color
a
9
1 0
5
6
6
5
4
1 2
3
1
–
5
4
4
Texture/
Stoniness
1
2
4
5
2
3
2
7
5
7
5
–
–
4
Brightness
3
7
–
–
1
–
–
–
–
–
–
–
–
–
Color
combination
4
2
1
1
1
2
–
–
–
–
–
3
2
1
Hardness
–
–
6
–
–
2
1
–
–
–
–
3
–
–
Slope position –
–
–
4
–
1
2
–
1
–
2
–
–
–
Depth
–
–
–
–
–
–
–
–
–
–
–
–
2
–
Land use
1
–
–
1
–
–
–
1
–
3
2
–
–
–
Quality
–
–
–
–
–
–
–
3
–
–
1
–
–
–
Total
18
21
16
17
10
13
9
23
9
11
10
11
8
9
No. of soil
types
9
11
6
10
7
8
8
12
7
8
5
8
6
6
Total/No. of
soil types
2.00
1.91
2.67
1.70 1.43 1.63
1.13
1.92
1.29
1.38
2.00
1.38
1.33
1.50
a
Includes the attribute ‘Ash’, as it describes a grey color. From Hagel 2011 – extended
2 Beyond the Horizons: Challenges and Prospects for Soil Science and Soil. . .
67