2019
DOI: 10.34062/afs.v6i4.7848
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Análise técnica e econômica de sistema de extração de toras longas de Tectona grandis com trator arrastador adaptado em floresta plantada.

Abstract: Resumo Neste estudo objetivou-se descrever e analisar os fatores técnicos e econômicos do ciclo operacional do trator arrastador adaptado na atividade de extração de toras longas de Tectona grandis L.f. no sudoeste de M ato Grosso. Foi avaliado o trator arrastador, composto de um trator agrícola M assey Ferguson com uma garra hidráulica acoplada. Utilizou-se o método de cronometragem parcial para registrar os tempos individuais do ciclo operacional. A etapa que mais demandou tempo foi a de viagem de carga, em … Show more

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“…Using the depreciation calculation, it is possible to estimate the amount to be saved in order to reestablish the equipment at the end of its useful life. Thus, depreciation was calculated using the straight-line method (Equation 9) (Moura et al, 2019 Where, D = depreciation (R$ he -1 ); PV = purchase value of the machine (R$); RV = residual value of the machine (R$); UL = useful life (years); and He = eff ective hours of annual work (h).…”
Section: 72fixed Costsmentioning
confidence: 99%
“…Using the depreciation calculation, it is possible to estimate the amount to be saved in order to reestablish the equipment at the end of its useful life. Thus, depreciation was calculated using the straight-line method (Equation 9) (Moura et al, 2019 Where, D = depreciation (R$ he -1 ); PV = purchase value of the machine (R$); RV = residual value of the machine (R$); UL = useful life (years); and He = eff ective hours of annual work (h).…”
Section: 72fixed Costsmentioning
confidence: 99%