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New Zealand Journal of Forestry (1963) 8(5): 793–813
©New Zealand Institute of Forestry

Research article
An Economic Analysis of Tending Pinus radiata in Southland

R. Fenton and C.H. Brown

An economic model, prepared for Southland Conservancy Pinus radiata (D. Don.), incorporates the costs of pruning, thinning, haulage, and sawing, and value of the timber produced, and shows that the proposed five stages of selective pruning and four separate thinnings can bear approximately 8 per cent, compound interest, when results of tended stands are compared against those which have been untended. The highest costs are in sawing; the enhanced log size and quality from tended stands contribute most towards the high return envisaged.
The model provides a means of testing the financial effect of altering any or all of the cost and return elements in tending operations.

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