Buscar
Itens para a visualização no momento 51-60 of 74
Limites de precaução e controle em análises de tecidos vegetais de espécies florestais
(Universidade Federal de Santa Maria, 2006-06-23)
The present work has objective to define wich is the distribution of probability that analysis of nutritional contents are adjusted, selecting a function that better explain its behavior and to estimate the limits values ...
Análise espacial da evolução do uso e cobertura da terra na sub-bacia hidrográfica do Arroio Arenal, Santa Maria/RS
(Universidade Federal de Santa Maria, 2006-01-30)
This work investigates the dynamics of the classes of land use and cover in the hydrographic subbasin of Arroio Arenal - RS, through the representation of spacetime processes. Spatial analysis of a distinct time series ...
Fator de cubicação para madeira empilhada de Eucalyptus grandis W. Hill ex Maiden, com toretes de dois comprimentos, e sua variação com o tempo de exposição ao ambiente
(Universidade Federal de Santa Maria, 2006-10-30)
The express wood volume in meter estere (mst) sometimes need to be converted into cubical meters (m3). This is possible estimating a cubication factor (Fc). With the objective to determine the Fc for Eucalyptus grandis and ...
Celulose kraft produzida a partir das madeiras de bracatinga (Mimosa scabrella) e eucalipto (Eucalyptus saligna) misturadas em diferentes proporções
(Universidade Federal de Santa Maria, 2004-03-23)
This study had as main objective to evaluate the use of bracatinga (Mimosa scabrella
Benth) wood as fibrous source for papermaking. Kraft pulping of bracatinga and eucalyptus
(Eucalyptus saligna Smith) wood chip blends ...
Qualidade da madeira de três espécies de Eucalyptus resultante da combinação dos métodos de secagem ao ar livre e convencional
(Universidade Federal de Santa Maria, 2006-02-16)
This work aims at evaluating the wood quality of Eucalyptus citriodora, Eucalyptus grandis and Eucalyptus saligna, resulting from the combination of open air and conventional
drying methods during the winter and the summer, ...
Multiplicação in vitro de Cedrela fissilis Vell.
(Universidade Federal de Santa Maria, 2006-02-24)
This study had as objective to study the in vitro regeneration of cedar (Cedrela fissilis Vell.), a native tree of economic interest, belonging to Meliaceae family. For seeds desinfestation, different treatments with sodium ...
Uso da onda ultra-sônica como meio de controle do processo de secagem da madeira
(Universidade Federal de Santa Maria, 2006-02-21)
The purpose of this study is to explore the use of ultrasonic technique in order to estimate the moisture content during wood drying, from green condition to the end of the drying process. The treatments were based on the ...
Biomassa e nutrientes em plantios de erva-mate (Ilex paraguariensis A. St.-Hil.), no município de Nova Prata, RS
(Universidade Federal de Santa Maria, 2006-10-23)
This study had as objective to quantify the total herbal tea biomass, to quantify the biomass produced in harvesting, to determine the nutrients amount in biomass compartments, to quantify the exported nutrients in herbal ...
Contribuição para a silvicultura de Luehea divaricata Martius et Zuccarini (Açoita-cavalo)
(Universidade Federal de Santa Maria, 2006-03-02)
The goal of this paper is to evaluate the growth of the seedlings, in different sizes and recipients, with different types of substracts. The experiment was established and conducted on the premises of the Forestry Science ...
Respostas da vegetação remanescente e da regeneração natural em floresta ombrófila mista cinco anos após intervenções de manejo
(Universidade Federal de Santa Maria, 2007-07-30)
This research work was accomplished at a Mixed Rainy Forest in advanced stage of natural regeneration and that had as objectives: to describe the original vegetation of the place about to the floristic and structure; to ...