Topley: Soil Pit No. 1
Location: North outside boundary of "control" plot in uncut buffer.
Classification: Hemimor / Orthic Gray Luvisol over morainal blanket.
Horizon Depth (cm.) Desription 
S/L (8-7)  Bryophyte layer with individual particles of coniferous litter; abrupt, smooth boundary; slightly dry. 
Fm1 7-6  Origin mostly moss; abrupt, smooth boundary; slightly dry; compact matted, firm, fibrous; plentiful medium horizontal roots; gray mycelia. 
Fm2 6-2  Moss, needles, and leaves; abrupt smooth boundary; slightly dry; compact matted, firm, fibrous, plentiful, medium, horizontal roots; abundant white and yellow mycelia. 
Fw  2-0  Clear, broken; slightly dry; blocky, loose; plentiful to abundant fine, few to many coarse horizontal random roots. 
Bm  0-2  10YR 4/4 (m); loam; loose, friable, slightly sticky and plastic; abundant, medium, horizontal in matrix and plentiful, fine and oblique inped roots; 15% cf; abrupt, wavy boundary; 1-3 cm. thick. 
Ae  2-12  10YR 5/3 (m); loam to clay loam; slightly hard, sticky and plastic; plentiful, medium, horizontal in matrix and few, coarse, horizontal exped roots; 35% cf; abrupt wavy boundary; 5-18 cm. thick. 
Bt  12-40+  10YR 3/3 (m); clay loam; hard, sticky and plastic; few medium horizontal roots; 35% cf. 

Horizon Total C
%
C/N
Ratio
C.E.C. exch. Ca exch K exch. Mg Total N
%
Min N Avail. P pH
CaCl 
Meq/100 grams ppm 
Fm1 53.54 32.13 89.44 28.70 8.53 6.58 1.67 - -
Fm2 47.28 36.07 86.45 20.50 6.63 5.99 1.31 99.4 238.9 4.25 
Bm  3.08 25.17 17.11 4.36 0.24 1.48 0.12 9.5 19.8 3.83 
Ae  0.70 13.80 7.91 1.99 0.12 0.72 0.05 2.9 5.7 3.95 
Bt  0.97 16.00 11.40 2.51 0.13 0.93 0.06 4.1 2.4 4.05 

Boreal Research and Development

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