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New Zealand Journal of Forestry (1964) 9(1): 78–88
©New Zealand Institute of Forestry

Research article
The Control of Basal Area Increment in Young Pinus radiata

D.S. Jackson and J. Ure

The effects of early heavy thinnings on increment of Pinus radiata (D. Don) are analysed. Results are considered in terms of basal area increment per acre, of increment for particular tree-vigour classes, and for individual stems. The synthesis is presented graphically and permits prediction of increment for 5 to 1 years after first thinnings between 5 and 10 years of age.
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