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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/47533
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dc.creatorStanley Schettinopt_BR
dc.creatorMariana Kelly de Melo Oliveirapt_BR
dc.creatorRoldão Carlos Andrade Limapt_BR
dc.creatorGlícia Silvania Pedroso Nascimentopt_BR
dc.creatorLuciano José Minettept_BR
dc.date.accessioned2022-11-29T13:55:08Z-
dc.date.available2022-11-29T13:55:08Z-
dc.date.issued2020-07-
dc.citation.volume7pt_BR
dc.citation.issue4pt_BR
dc.citation.spage180pt_BR
dc.citation.epage188pt_BR
dc.identifier.issn2348-3997pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/47533-
dc.description.resumoThe knowledge of the productive capacity and of the variables that interfere in the machines' performance is fundamental for the planning and optimization of mechanized forest establishment operations.To evaluate operating performance and efficiency of agricultural tractors in mechanized activities of forest deployment depending on rainfall, this research was conducted in areas of afforestation deployment of eucalyptus a forest company in the municipality of Açailândia, in the South of the state of Maranhão, Brazil. Based on rainfall data, the months with rainfall less than 100 mm were considered as a dry period (April to October) and the others as a rainy period (November to March). Considering the activities of irrigation, fertilization and application and pesticides, from the number of scheduled and effective hours of work of the machines and reasons for stoppages, obtained from historical files from 2016/April to 2017/March of the company, the operational yield was calculated (ha.h-¹), effective hours of work (h) and operational efficiency (%) for all months in the period. The results, submitted to the T Test with 99% probability, demonstrated that there are significant differences between scheduled hours and hours actually worked when considering the rainy and dry periods throughout the year for all evaluated variables, being the worked hours, the yield and lower operational efficiency during the rainy season. It’s concluded that the pluviometric significantly affects the operational performance and efficiency of agricultural tractors in mechanized forest establishment activities; and that the planning of mechanized forest establishment activities in a linear way throughout all of the year has not been effective, resulting in the lack of punctuality of operations.pt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIASpt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofInternational Journal of Research in Agricultural Sciencespt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectForest mechanizationpt_BR
dc.subjectForestrypt_BR
dc.subjectForest productionpt_BR
dc.subjectOperational efficiencypt_BR
dc.subject.otherMecanização florestalpt_BR
dc.subject.otherProdutividade florestalpt_BR
dc.subject.otherColheita florestalpt_BR
dc.titleOperational performance of mechanized forest establishment activities in function of the pluviometric regimept_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://ijras.org/index.php/issue?view=publication&task=show&id=386pt_BR
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