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Grand Fir (Bg)

On many coastal sites and on low elevation moist sites in the lower Kootenay Lake and Arrow forest districts, the species is an attractive alternative to the more browse-prone Cw. The high shade tolerance of the species makes it a suitable replacement to Fdc on many brush-prone sites.

The major limiting factors that stock type selection can address for Bg are vegetative competition and animal damage.

Grand fir produces prolific roots and should be ordered in larger container sizes. If the handling requirements of large stock can be met, BBR 2+0 is a recommended stock type if planting depths of at least 30 cm are available. If a larger stock type than the 1+0 PSB 415D is required, then the 1+0 PSB 512 or 515A may be a cost-effective alternative to the more expensive PSB 615 1+0.

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Spruce (Sx)

Lodgepole Pine (Pli/Plc)

Western Redcedar (Cw)

Coastal Douglas-fir (Fdc)

Interior Douglas-fir (Fdi)

Sitka Spruce (Ss and Sxs)

Western Larch (Lw)

Western White Pine (Pw)

Yellow Pine (Py)

Subalpine Fir (Bl)

Amabilis Fir (Ba)

Noble Fir (Bn)

Grand Fir (Bg)

Western Hemlock (Hw)

Mountain Hemlock (Hm)

Yellow-cedar (Yc)

Hardwoods

Native Shrubs

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Sowing Trends ­ 1993/1998
Species:   Grand fir (Bg)

  1993 1998

% of total sowing of Bg
     1 + 0
     BBR/PBR
54
15
86
12
# of stock types 5 6
Dominant container types 415B 415B/415D
Smallest container type 313B 313B
Largest container type 615A 615A
Quantity sown (K) 202.3 160

New stock types since 1993:  412A/415C

Pie graph showing Bg stock type profile, 1998 sowing.

Plate 34.   Bg stock types. (Arrowheads indicate target heights.)

Bn stock types.


Bg stock type suitability.

Bg Limiting factors
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spacer graphic Season Vegetation
competition
Snow-
press
Animal
damage
Shallow
soils

Recommended stock types:
PSB 313B 1+0 Sp Poor Poor Poor Fair
PSB 410 1+0 Sp Fair Fair Fair Good
PSB 415B 1+0 Sp Fair Fair Fair Poor
PSB 412A 1+0 Sp Good Good Good Good
PSB 415D 1+0 Sp Good Good Good Poor
PSB 512A 1+0 Sp Good Good Good Good
PSB 515A 1+0 Sp Good Good Good Poor
PSB 615A 1+0 Sp only Good Good Good Poor
BBR 2+0 Sp only Good Fair Good Poor


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