The Soils of Middlesex County - Agriculture and Agri-Food Canada

BRYANSTON ASSOCIATION
ASSOCIATION MEMBERS Bryanston, well drained
Thomdale, imperfectly drained
Nissouri, poorly drained
PARENT MATERIALS
Loamy glacial till
BRYANSTON SOIL (BRY)
GENERALIZED PROFILE CHARACTERISTICS
DRAINAGE
Well
USUALCLASSIFICATION Bnmisolic Gray Brown Luvisol**
Horizon
No. of
Samples
Depth to
Horizon
Base (cm)
MEAN HORIZON VALUES
Gravel
%
Sand
%
VF Sand
%
** Horizon sequence in the generalized profile is based on a small number of sampled sites and is not consistent with the usual
classification of a Bryanston soil
Silt
%
Clay
%
Texture
Texture
Org .M
%
pH in
CaC12
Ap 5 21 3 26 10 51 23 SIL 4 .0 7 .2 8 .0
Bm 1 52 1 19 12 58 23 SIL 1 .0 7 .2 4 .0
Ck 5 10 27 9 47 27 L - 7 .6 24 .2
CaC03
%
THORNDALE SOIL (THN)
GENERALIZED PROFILE CHARACTERISTICS
DRAINAGE
Imperfect
USUAL CLASSIFICATION GleyedBnmisolic Gray Brown Luvisol
Horizon
No. of
Samples
Depth to
Horizon
Base (cm)
MEAN HORIZON VALUES
Gravel
%
Sand
% VF Sand
%
Silt
%
Clay
%
Org .M
%
pH in
CaCl2
Ap 49 26 2 24 10 53 22 SIL 4 .3 7 .3 1 .7
Bm9j 18 53 2 23 9 53 24 SIL 1 .1 7 .3 0 .9
Btgi 7 58 3 29 11 42 29 CL 1 .0 73 0 .9
Ckgj 63 8 29 10 49 23 L - 7.6 23 .8
CaCO3
%