| Summary: | A method of diameter structure modeling was applied in the calculation of plantation (stand) volume of two black poplar clones in the section Aigeiros (Duby): 618 (Lux) and S1-8. Diameter structure modeling by Weibull function makes it possible to calculate the plantation volume by volume line. Based on the comparison of the proposed method with the existing methods, the obtained error of plantation volume was less than 2%. Diameter structure modeling and the calculation of plantation volume by diameter structure model, by the regularity of diameter distribution, enables a better analysis of the production level and assortment structure and it can be used in the construction of yield and increment tables.
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