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￿ On the other hand, it does not recognize soils with excess water
(Stagnosols and Gleysols). In the principal Orders, the soils of
wet environments most often form a Suborder characterized by
an 'aquic' moisture regime. There are two important exceptions:
the Aridisols are not classified according to their moisture regime
although they can be saturated with saline water; the Gelisols
neither, because the water in them is not always in the liquid
state.
￿ The soils containing soluble salts (Solonchaks, Solonetz) do not
form a distinct Order in Soil Taxonomy. They are quite logically
found in the Aridisols, but also in Inceptisols and in Mollisols.
￿ The Mollisols form an Order characterized by the presence of a
soft humus (pH not very acid), which encompasses all the con-
tinental soils (Chernozems, Phaeozems, Kastanozems) and also
all sorts of other taxa that the WRB groups in Cambisols or even
Leptosols.
4.3.3
Rules for Composing Names
The abbreviations in the second column of the determinative key
(Table 4.14) are used.
Order
Diagnostic horizons and diagnostic characteristics presented above are
used, particularly those that characterize the thermic and moisture regimes
(Table 4.13). But other properties are used in support (Table 4.15).
Suborder
Table 4.15 Rules for composing names of Suborders (according to McSweeney
and Grunwald 2001, updated).
Prefix
Significance
Prefix Significance
alb
With albic horizon
anthr
With plaggen or anthropic
epipedon
aqu
Aquic moisture regime
ar
(L. ar ) mixed by ploughing
arg
With argillic horizon
calc
With calcic horizon
camb
With cambic horizon
cry
Of cold climate
dur
With duripan
fibr
Presence of fibres
fluv
Fluvial origin
fol
Presence of leaves (plants)
gel
T < 5° or 8°
gyps
With gypsic horizon
Table 4.15 Contd...
 
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