Fig. 4.31 Relationship between
topography of alluvial plain and
subgroups of Fluvic soils.
(Figure supplied by Hiroshi
Obara)
Fig. 4.32 Relationship among
degree of reduction, type of aquic
conditions and subgroups of
Fluvic soils. Modified from Obara
et al. (2014)
Fig. 4.33 An example of soils
developed by irrigated water
(anthraquic) (Endoaeric Fluvic
Paddy soils). Photograph Obara
et al. (2015)
4 Major Soil Types
101