Buscar
Itens para a visualização no momento 11-20 of 111
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 ...
Subsídios para o manejo de uma floresta ombrófila mista em estágio avançado de regeneração natural
(Universidade Federal de Santa Maria, 2005-01-25)
This research work was accomplished at a Forest Mixed
Ombrófila in advanced stage of natural regeneration and that had as objectives: to model mathematical equations to estimate the commercial volume and the shape factor ...
Quantificação de biomassa e de carbono orgânico na regeneração natural de floresta ombrófila mista - Nova Prata, RS
(Universidade Federal de Santa Maria, 2004-07-26)
This work had as objectives to ajust mathematical models that
describe, through equations, the biomass volume and the concentration of
organic carbon of the natural regeneration of Mixed Shade Tolerant
Forest. To reach ...
Levantamento populacional de Scolytidae (Coleoptera) em povoamento de Acácia-negra (Acacia mearnsii de Wild)
(Universidade Federal de Santa Maria, 2005-04-04)
This work was developed objectifying the quali-quantitative analysis, the population fluctuation, the faunistic analysis and the correlation of the species of Scolytidae (Coleoptera) with the main meteorological elements ...
Qualidade de chapas de partículas de madeira aglomerada fabricadas com resíduos de uma indústria de celulose
(Universidade Federal de Santa Maria, 2005-01-19)
The objective of this work was to investigate the quality of particleboards made with Eucalyptus saligna wood residues, resulting from chiping of the logs for pulp production. The boards were producted with two types of ...
Qualidade físico-hídrica de um argissolo sob floresta e pastagem no Sul do Brasil
(Universidade Federal de Santa Maria, 2008-03-27)
Soil compaction is a problem in different production systems: agriculture, pasture and forest. In the agriculture soil compaction is well documented, while in the pasture and forest its study is scarce. The objective of ...
Quantificação da biomassa e nutrientes em uma floresta estacional decidual em Itaara-RS, Brasil
(Universidade Federal de Santa Maria, 2005-09-23)
This study was conducted in a farm belonging to Military Brigade in the Itaara county, RS. The main objective was to quantify the nutrient stocks in the soil and the above ground biomass. The second aim was to evaluate the ...
Impactos ambientais na microbacia do rio Vacacaí-Mirim em Santa Maria - RS.
(Universidade Federal de Santa Maria, 2005-07-07)
The renewable natural resources sustain the balance between the man and the nature. The destruction of one of those resources represents the unbalance and the man's future destruction. Such resources accomplish a social ...
Incremento volumétrico de Nectandra megapotamica (Spreng.) Mez em floresta ombrófila mista.
(Universidade Federal de Santa Maria, 2005-02-25)
At the present work it was studied growing of Nectandra megapotamica (Spreng.) Mez species, through a sampler compounded by 11 dominant trees selected from rainforest in
Nova Prata borrough, state of Rio Grande do Sul. ...
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 ...