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Revista mexicana de ciencias forestales
versão impressa ISSN 2007-1132
Resumo
RASCON-SOLANO, Joel e AGUIRRE-CALDERON, Oscar Alberto. Sawing yield in southeastern Chihuahua state. Rev. mex. de cienc. forestales [online]. 2023, vol.14, n.79, pp.266-293. Epub 06-Out-2023. ISSN 2007-1132. https://doi.org/10.29298/rmcf.v14i79.1347.
The objectives of this research were: (a) To learn the distribution of sawn pine species and to estimate a distribution of visual quality classes of the logs, (b) To find out the frequency of sawing yield and evaluate the effect of smallest diameter with bark and log taper on it, and (c) To estimate the volumetric yield and distribution of sawn products in the southwest of Chihuahua State. 182 logs were integrated in the sawing process, and the species, quality, yield by smallest diameter category and taper with bark were determined. The volumetric yield of thicknesses, widths, lengths, and quality of sawn timber obtained from 1 348 logs was evaluated. The variables were evaluated with normality tests, analyses of variance, and correlation tests in order to identify significant differences (p<0.05). Pinus arizonica was found to be the main species processed, representing 45.70 % of the total; quality 5 roundwood is the most common class, amounting to 27.67 % of the total; the most frequent sawing yield is 50.00 %; diameter category and log taper are variables that determine the sawing yield. The main dimensions generated in the southeastern state of Chihuahua are a thickness of 7/8", a width of 8", and a length of 16'.
Palavras-chave : Sawmill; industry; lumber; Pinus arizonica Engelm.; volumetric yield; logs.