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Avaliação do processamento de pontos obtidos com GPS utilizando diferentes bases e tempos de ocupação
(Universidade Federal de Santa Maria, 2005-02-28)
Desempenho e emissões de um motor de trator agrícola operando com misturas de óleo diesel e etanol
(Universidade Federal de Santa Maria, 2015-03-05)
The growing demand of energy in the world, the decrease of petroleum reserves and
the current problems of environmental contamination, increase the interest in
renewable energy study for internal combustion engines, to ...
Desempenho e aplicabilidade do irrigâmetro para cultura da soja na região de Bossoroca, RS
(Universidade Federal de Santa Maria, 2011-02-28)
Irrigation has the function to adequately supply the water demands of crops so that they express their full productive potential. But there are variations with regard to the relationship soil, plant, atmosphere, infer that ...
Modelagem de fluxo de informações administrativo-financeiro no projeto de máquinas agrícolas
(Universidade Federal de Santa Maria, 2014-02-28)
Nowadays, the agricultural industry is undergoing several transformations, both economically, due to production costs. Among the main highlights is the inclusion of multinational companies, attracted by the performance of ...
Distribuição e diversidade espaço- temporal da Classe Collembola na região central do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2015-03-04)
As long as the agricultural expansion progresses over the Pampa biome, the simplification and contamination of environments have become the main causing agents of loses of diversity of several soil organisms, among them ...
Desenvolvimento de um sistema de controle automático para simulador de chuvas
(Universidade Federal de Santa Maria, 2015-03-02)
In the 1930‟s, in the United States, Borst and Woodburn developed a rain simulator to conduct studies on the behavior of water runoff. Over time a lot of rain simulators were developed to control and reproduce the ...
Desenvolvimento e estresse hídrico em mudas de Eucalyptus grandis (Hill ex Maiden) e Eucalyptus saligna (Smith)
(Universidade Federal de Santa Maria, 2007-02-16)
Air temperature and soil water are major abiotic factors that affect plants growth and development. The objectives of this study were two: the first was to evaluate and compare two leaf number (NL) simulation models in ...
Desenvolvimento de um sistema de documentação para o projeto de máquinas agrícolas: modelo de referência
(Universidade Federal de Santa Maria, 2008-02-14)
The agricultural machinery design process is characterized by the transformation of elevated number abstract information in a physical model. This work presents the development of a Documentation System for the Design of ...
Projeto preliminar de um disco centrífugo para distribuição de uréia
(Universidade Federal de Santa Maria, 2011-12-14)
Recognizing the increasing complexity of today's farm machinery, and the trend of
progression of this feature for new developments it is important to the implementation of
models for the structured and systematic approach ...
Produtividade e qualidade de frutos de goiabeira (Psidium guajava L.) irrigada por gotejamento.
(Universidade Federal de Santa Maria, 2012-01-19)
Due to the poor distribution of rainfalls during the production cycle of guava in Santa
Maria, RS, it becomes increasingly necessary to use supplementary irrigation, as a tool that
can alleviate the effects of drought ...