Soil Report - Agriculture et Agroalimentaire Canada
Soil Report - Agriculture et Agroalimentaire Canada
Soil Report - Agriculture et Agroalimentaire Canada
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Table 29. Generalized profile criteria used to differentiate b<strong>et</strong>ween soil drainage groups<br />
Drainage<br />
group<br />
General<br />
description<br />
and criteria "A" horizons "B" horizons "C" horizons<br />
S-1 Fine texture ; fine Fine to medium Fine texture, C; Fine texture,<br />
clayey ; blocky to texture, C, SiC coarse blocky C; medium to<br />
massive ; lacustrine/ or SiCL ; granular structure . coarse, blocky<br />
marine deposits. structure . to massive structure.<br />
S-2 Medium to fine tex- Medium texture, Fine to medium Fine to medium<br />
ture ; fine loamy L, SiL, CL or texture, C, SiCL, texture, C, SiC,<br />
and fine clayey ; SiCL ; platy or CL ; medium to SiCL, CL;<br />
blocky to massive; granular coarse, subang- medium to<br />
ground moraine till structure . ular to angular coarse, blocky,<br />
or lacustrine deposits . blocky structure . prismatic to massive<br />
structure .<br />
S-3 Medium to coarse Medium to coarse Medium to coarse Fine to medium<br />
texture ; coarse texture, L, SL, texture, SCL, L, texture, C, SiC,<br />
loamy over fine LS or S ; single SL, S ; fine to SiCL, CL, SCL,<br />
clayey or fine grain or weak coarse subangular SiL ; coarse<br />
loamy ; blocky subangular blocky structure . angular blocky<br />
structure ; shallow structure . structure .<br />
water-lain sediments<br />
over ground moraine<br />
till deposits .<br />
S-4 Medium to coarse Medium to coarse Fine to medium Medium texture,<br />
texture ; fine loamy ; texture, SCL, texture, C, SiC, L, CL, SiL, SCL,<br />
blocky "B" horizon SiL, L, SL, LS, S ; SiCL, SCL; SiCL ; weak<br />
that may impede medium granular medium subangular prismatic to<br />
internal drainage ; structure . to medium angular blocky structure .<br />
ground moraine till blocky structure .<br />
or lacustrine deposits .<br />
S-5 Organic material Organic Fine to coarse Fine texture,<br />
overlying sandy to texture . C; massive .<br />
Vlayey particle size ;<br />
massive structure; no<br />
generalized mode of<br />
deposition.<br />
S-6 Coarse loamy over Medium to coarse Fine to medium Bedrock .<br />
bedrock . texture ; granular texture, C, SiC,<br />
structure . SCL ; medium subangular<br />
to medium angular<br />
blocky structure .<br />
G-1 Medium texture ; Medium texture, Medium texture, Medium texture,<br />
coarse loamy; L, SiL ; granular L, SiL ; medium L, SiL ; may be<br />
blocky to massive structure. subangular stratified<br />
structure ; ground blocky structure . coarse subangular<br />
moraine tills . blocky to massive<br />
structure .<br />
G-2 Coarse texture ; Coarse texture, Coarse texture, Coarse texture,<br />
sandy ; structureless ; S, SL ; granular S, SL; single S, SL ; single<br />
shallow water sediments, structure . grain to medium grain structure,<br />
variable in depth, subangular loose.<br />
overlying ground moraine blocky structure .<br />
tills or lacustrine deposits.<br />
G-3 Medium to coarse Medium to coarse Medium to coarse Sand or gravel,<br />
texture ; coarse texture, L, SL ; texture, L, SL ; possibly over<br />
loamy over sandy granular structure. granular structure . bedrock .<br />
skel<strong>et</strong>al ; structureless ;<br />
fluvial deposits .<br />
87