Financial analysis of pruning coast Douglas-fir.

Fight, Roger D.; Cahlll, James M.; Fahey, Thomas D.; Snellgrove, Thomas A.

doi:10.2737/pnw-rp-390

Cited by 2 publications

(1 citation statement)

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“…Published costs of pruncrown, in this case mificially by pruning; pass refers to the ing are with time estimates ranging total number of times an operator goes through the stand in from about 2 midtree to about 25 midtree, depending on the same field to accomplish a lift. tree age, height of pruning, terrain, stand density, branch number and size, aid type of equipment used haw and Staebler 1950;Stein 1955;Dobie and Wright 1978;Fight ~~t h~d~ et al 1988). …”

Section: Introductionmentioning

confidence: 99%

Cost of pruning Douglas-fir in coastal British Columbia

Omule¹,

Paul²,

Darling³

1994

The Forestry Chronicle

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Artificial pruning can increase the quantity of high-value L'Clagage artificiel peut accroitre la quantitC rCcoltCe de clear lumber harvested from Douglas-fir, but the pruning cost bois de sciage de sapin de Douglas en qualit6 et en prix, mais per tree is relatively high. To prune a young Douglas-fir to 6 les coiits d'Clagage par arbre sont ClevCs. L'Clagage d'un jeune metres in one lift and two lifts took, respectively, 9.5 and 10.1 sapin de Douglas jusqu'i 6 mBtres de hauteur en une seule et minutes in 14-and 18-year old stands with average spacing en deux Ctapes nCcessite, respectivement, 9.5 et 10.1 minutes between trees of about 3 metres on flat or 0-30% south-facing dans des peuplements de 14 i 18 ans dont l'espacement slopes in coastal British Columbia. The associated costs were moyen entre les arbres est d'environ 3 mBtres sur un terrain $2.09 and $2.22. This included minor travel time between plat ou ayant une pente de 0-30% orientCe vers le sud dans la trees, but excluded the cost of travelling to the site, selecting rCgion c6tiBre de la Colombie-Britannique. Les coiits associCs and marking trees to be pruned, and purchasing and maintain-

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Section: Introductionmentioning

confidence: 99%