Topley: Soil Pit No. 4
Location: Intersection between plots 7, 4, and 5.
Classification: Hemimor / Gleyed Gray Luvisol on morainal blanket.
Horizon Depth (cm.) Description 
S/L (10-8)  Mixed bryophytes with random individual litter particles. 
Fm1 8-5  Marginally decomposed mosses and vascular plant tissues; abrupt smooth boundary; slightly dry; compact matted, felty, fibrous/tenacious; few fine to medium horizontal roots; common white and gray colored mycelia. 
Fm2 5-0  Partly decomposed plant materials, abrupt smooth boundary, moist, compact matted, felty, fibrous/tenacious; plentiful fine to medium horizontal roots; common white and gray colored mycelia; common random medium charcoal at mineral interface. 
Bm1 0-3  10YR 2.5/3 (m); loam; moderate to strong granular; abundant fine to medium horizontal roots; 10% cf.; 2-5 cm. thick. 
Bm2 3-10  10YR 3/3 (m); loam; moderate to medium subangular blocky to weak medium granular; plentiful to medium horizontal roots; 15% cf.; 6-9 cm. thick. 
Ae 10-26  10YR 4/2 (m); loam to clay loam; moderate medium subangular blocky to moderate medium platy; few fine and medium oblique roots; 20% cf.; 10-16 cm. thick. 
Bt 26-50+  10YR 4/3 (m); clay loam; few medium distinct 7.5YR 5/6 mottles; massive to moderately strong, medium to coarse subangular blocky; hard, sticky; very few fine to medium oblique roots; 20% 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 52.59 30.88 105.60 38.91 3.41 6.04 1.70 386.5 84.9  
Fm2 47.29 32.07 126.90 41.81 1.46 6.25 1.48 158.8 38.3 3.57 
Bm1 4.95 21.77 34.02 17.96 0.24 4.90 0.23 81.4 3.8 4.64 
Bm2 1.11 15.57 11.74 6.94 0.09 2.02 0.07 24.6 1.3 4.76 
Ae  0.67 11.00 9.11 5.25 0.06 1.60 0.06 10.8 0.6 4.64 
Bt  0.39 6.50 8.14 4.96 0.07 1.47 0.06 0.5 0.7 4.91 

Boreal Research and Development

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