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Simulação da produtividade de grãos de arroz irrigado em cenário futuro no estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2014-02-27)
Projections of a possible climate change indicate that the current CO2
concentration is expected to double and air temperature increase by up to 6°C by the
end of this century, leading to changes in crops yield. The ...
Sistemas de culturas em plantio direto adaptados à pequena propriedade relacionados com a erosão e atributos de um argissolo vermelho
(Universidade Federal de Santa Maria, 2009-11-16)
Considering soil management systems, are rare the research projects that are carried on by a time period long enough to several soil attributes may be expressed conveniently. The no-till system influences several soil ...
Uso de diferentes metodologias na geração de funções de pedotransferencia para a retenção de água em solos do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2013-02-01)
Studies on the dynamics of water in the soil-plant-atmosphere such as water
availability cultures infiltration drainage and movement of solutes into the soil, require
knowledge of the relation between the water content ...
Ésteres combustíveis em motor de ciclo diesel sob condições de pré-aquecimento e variação no avanço de injeção
(Universidade Federal de Santa Maria, 2008-04-23)
The renewed interest in energy for biomass is supported by the need for different energy sources and the need to protect the environment. Recently, because of increases in
crude oil prices, limited resources of fossil oil ...
Desempenho e emissões de um motor agrícola ciclo diesel utilizando misturas de óleo diesel, biodiesel e etanol
(Universidade Federal de Santa Maria, 2021-01-29)
Blends of mineral diesel oil, biodiesel and ethanol are strategies for partial replacement of fossil fuel, applicable in compression ignition engines, without major adaptations. In this work, two bibliometric analyzes were ...
Estudo experimental e simulado da cultura da soja em função de diferentes níveis de irrigação
(Universidade Federal de Santa Maria, 2011-03-18)
The efficient model preparation allows a crop forecast, better research
strategies and the correct allocation of a determinate crop in an environment,
according to weather conditions. With the techniques uses as the ...
Análise da combustão de misturas diesel/biodiesel em um motor de uso agrícola turboalimentado e com gerenciamento eletrônico
(Universidade Federal de Santa Maria, 2020-03-12)
This study involves a combustion analysis, through the experimental performance evaluation of an agricultural engine with electronic management, in response to the variation of different proportions of soy biodiesel added ...
Desenvolvimento de algoritmo para gestão e análise da conformidade da segurança ocupacional em unidades armazenadoras de grãos
(Universidade Federal de Santa Maria, 2021-09-21)
Brazilian grain production stands out worldwide and post-harvest processes are
important in defining the price strategy for agricultural commodities. On the other hand,
operations at the grain storage facilities offer ...
Caracterização de extratos de Senecio brasiliensis e Solanum viarum obtidos por diferentes métodos extrativos com aplicabilidade na agricultura
(Universidade Federal de Santa Maria, 2021-08-06)
The present work aimed to investigate the potential of plants used empirically in agriculture, as well as evaluate different extractive methods, carry out the characterization of the obtained extracts and analyze their ...
Efeito dos espectros de gota associados a diferentes arquiteturas de cultivares de soja no controle da ferrugem
(Universidade Federal de Santa Maria, 2011-07-22)
The efficiency of a fungicide is the result of the combination of a variety of factors including: time of application, environmental conditions, physiological condition of plant and application technology used. Already to ...