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Rugosidade absoluta em tubulações utilizadas para distribuição de água
(Universidade Federal de Santa Maria, 2021-07-23)
For the design of hydraulic systems used for water distribution, it is necessary to quantify the continuous loss of load along the pipes, for example, by the Darcy-Weisbach (DW) and Hazen-Williams (HW) equations. For this, ...
Respostas morfo-fisiológicas da soja submetida à estresse hídrico e aplicação de bioestimulante
(Universidade Federal de Santa Maria, 2020-09-04)
Soy is considered the main agricultural crop of economic importance for Brazil. Water availability is one of the determining factors for its correct development and productivity. The biostimulants based on the extract of ...
Desenvolvimento de um sistema técnico para aplicação automatizada de produtos líquidos em cultivos agrícolas
(Universidade Federal de Santa Maria, 2019-12-16)
The growing world demand for food and energy has required a steady increase in agricultural production. This must be achieved through the development of technologies that allow for increased productivity combined with ...
Viabilidade técnica e econômica da produção de forragem do capim sudão irrigado por aspersão convencional
(Universidade Federal de Santa Maria, 2021-03-09)
Cultivated pastures represent the best alternative to supply the demand for nutrients and provide quality roughage to animals, increasing daily weight gain and improving the efficiency of the production system. To maintain ...
Produção de etanol 2G e biogás utilizando resíduos da cultura da soja
(Universidade Federal de Santa Maria, 2021-04-08)
Lignocellulosic biomass residues are an alternative to the second-generation ethanol (2G) and biogas production, due to their chemical composition (cellulose, hemicelluloses, and lignin), because it is a renewable resource, ...
Comportamento de um motor de ciclo diesel com diferentes configurações de injeção e misturas de biodiesel
(Universidade Federal de Santa Maria, 2020-03-11)
Diesel cycle engines are widely used to carry out the most diverse agricultural activities in Brazil. They are used from single cylinder engines, with low power demand to large engines that exceed 500 hp. The use of biodiesel ...
Sistema de apoio à decisão para utilização no agronegócio (SADA): telemetria e tratamento de dados de desempenho de máquina de colheita
(Universidade Federal de Santa Maria, 2011-03-17)
To obtain higher profitability in farms, it is essential to proper management of the operations performed, caused by concern over the operational cost of the machines used, which represents a high percentage compared to ...
Sistema de apoio à decisão em tecnologia de aplicação de precisão (SISD-TAP) para a otimização da gestão de pragas nas culturas
(Universidade Federal de Santa Maria, 2014-02-24)
Due to the large number and complexity of factors influencing the study of efficiency and efficacy of pesticide application technology, it becomes difficult to develop multivariate methods, to define indicators of ...
Simulação de cenários de sustentabilidade hídrica da orizicultura na sub-bacia hidrográfica do Arroio Grande através da implantação de barragens temporárias
(Universidade Federal de Santa Maria, 2010-09-03)
Water shortages in certain periods have led to serious social conflicts, as well as economic and environmental impacts resulting from irrigated agriculture, especially of rice growing, which represents a high demand of ...
Simulação do desenvolvimento, crescimento e produtividade de soja em condições climáticas atuais e futuras para o Rio Grande do Sul
(Universidade Federal de Santa Maria, 2016-02-18)
Soybean is a mainly agricultural world commodity, with United States, Brazil, and Argentina as mainly producers. This thesis had as objectives (i) evaluate the SoySim model to simulate growth, development, and yield of ...