Page 6 - World Reference Base for Soil Resources of Thailand

Land Development Department Library

List of figures

Figure Page

1 Distribution of the Reference Soil Groups in Thailand is classified by WRB system 20
2 Distribution of Acrisols in Thailand 23
3 Distribution of Arenosols in Thailand 41

4 Distribution of Cambisols in Thailand 50

5 Distribution of Ferralsols in Thailand 59
6 Distribution of Fluvisols in Thailand 68
7 Distribution of Gleysols in Thailand 77

8 Distribution of Histosols in Thailand 89

9 Distribution of Kastanozems in Thailand 95
10 Distribution of Leptosols in Thailand 101
11 Distribution of Luvisols in Thailand 107

12 Distribution of Plinthosols in Thailand 122

13 Distribution of Podzols in Thailand 134
14 Distribution of Solonchaks in Thailand 140
15 Distribution of Solonetz in Thailand 146

16 Distribution of Vertisols in Thailand 152

List of tables

Table Page

1 Diagnostic horizons 10

2 Diagnostic properties and diagnostic materials 11
3 Diagnostic horizon properties and materials of WRB and characteristic 12

of soil taxonomy
4 Simplified guide to the WRB Reference Soil Groups (RSGs) 15

with suggested code
5 Correlation between soil classification of WRB and Soil taxonomy system 18