A four-parameter sigmoidal growth model was employed to express various characteristics of interest in Plonski's metric yield tables as functions of stand age and site index. Except in a few cases, excellent fits were obtained. The resulting equations will facilitate direct computer use of Plonski's metric yield tables.
CITATION STYLE
Payandeh, B. (1991). Plonski’s (metric) yield tables formulated. The Forestry Chronicle, 67(5), 545–546. https://doi.org/10.5558/tfc67545-5
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