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Mecanismos de regeneração natural em floresta estacional decidual, Santa Maria, RS
(Universidade Federal de Santa Maria, 2009-02-27)
This study evaluated the mechanisms of natural regeneration represented by seeds rain, seeds bank of the soil and the regeneration vegetation, considering the
seedlings bank and the established regeneration, in a fragment ...
Propagação vegetativa de erva-mate (Ilex paraguariensis Saint Hilaire Aquifoliaceae)
(Universidade Federal de Santa Maria, 2009-03-05)
Erva-mate (Ilex paraguariensis) has an economical and environmental importance to the southern area of Brazil. However, there is no enough technologies of vegetative propagation, which are important to improve yield and ...
Influência de diferentes combinações de lâminas de eucalyptus saligna e Pinus taeda em painéis estruturais LVL
(Universidade Federal de Santa Maria, 2009-05-29)
This research aimed at investigating the influence of the positioning of Eucalyptus saligna and Pinus taeda wood veneers on the layers composing the Laminated Veneer Lumber (LVL) structural panels. The panels were manufactured ...
Superação da dormência de sementes e cultivo in vitro de bracatinga (Mimosa scabrella Benth.)
(Universidade Federal de Santa Maria, 2009-05-29)
Mimosa scabrella Benth. is a tree from Brazil, growing from Minas Gerais to Rio Grande do Sul. Its wood is used for energy like firewood and coal. The round wood is also very sought for props in civil architecture. ...
Crescimento da Araucaria angustifolia regenerada sob Pinus elliottii e em povoamento homogêneo interplantado com Pinus spp.
(Universidade Federal de Santa Maria, 2009-10-30)
born free, independent of the considerate age. Being treated of the youngest natural regeneration (height < 1,80m) or of the araucarias higher ages, (height > 1,80m), the factor that determined the stoppage or retaking of ...
Desempenho de duas espécies florestais em combinação com casca de arroz na fabricação de painéis cimentomadeira
(Universidade Federal de Santa Maria, 2009-08-28)
The present paper had as objective the evaluation of performance of panels composed by cement and different proportions of two combined wooden species with rice husk. There, were applied treatments where the levels of ...
Estoque de carbono em plantações de Eucalyptus sp. implantados em campo nativo
(Universidade Federal de Santa Maria, 2009-03-03)
The soil management with emphasis in keeping soil residues on surface combined with vegetation growth may reduce carbon (C) emission to the atmosphere. The objective of this study is to measure the effects of the Eucaliptus ...
Dendrogramas de manejo da densidade para povoamentos de Pinus elliottii Engelm para a região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2009-03-04)
This work aimed at building a management dendrogram and determining the appropriate density for management of stands of Pinus elliottii in central region of the
Rio Grande do Sul. To do that, stands in maximum stock, in ...
Propriedades físico-mecânicas e resistência a biodeterioradores de chapas aglomeradas constituídas por diferentes proporções de madeira e casca de arroz
(Universidade Federal de Santa Maria, 2009-03-06)
This work aimed at evaluating the quality of particleboards manufactured with different wood proportions (Eucalyptus grandis W. Hill. ex Maiden) and rice husk. The composites were produced in the proportions 0, 20, 40, 60, ...
Avaliação do uso de estufa solar para secagem de madeira serrada de eucalipto
(Universidade Federal de Santa Maria, 2009-03-06)
This study aimed at evaluating the use of solar kiln for the drying of woods of Eucalyptus tereticornis, Eucalyptus saligna and Corymbia citriodora, as well as comparing the
methodology to the air drying. In order to do ...