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Economia de combustível de tratores agrícolas utilizando diferentes transmissões e estratégia de condução
(Universidade Federal de Santa Maria, 2016-08-19)
Due to Diesel oil s mineral origin and marketing price, the consumption of this fuel by a tractor becomes one of the most important aspects at the time of its acquisition and use. Knowledge of the appropriate strategies ...
Estimativa da evapotranspiração a partir de dados diários de previsão meteorológica
(Universidade Federal de Santa Maria, 2015-03-17)
The real time determination and future of evapotranspiration (ET) can contribute to
more efficient management of irrigation. The objective of this study was: (i) to evaluate
the accuracy of the estimate of the reference ...
Caracterização, avaliação e classificação dos pulverizadores autopropelidos produzidos no Brasil
(Universidade Federal de Santa Maria, 2015-07-24)
Brazil is considered the largest consumer of pesticides in the world. To apply these inputs are used, in many cases, hydraulic self-propelled sprayer boom. In Brazil there are few tools that assist the farmer in choosing ...
Estudo de trafegabilidade aplicado a veículos de roda em transporte e tração
(Universidade Federal de Santa Maria, 2010-03-24)
The ability of vehicles to traverse soft soils is an important aspect of their performance. The geological, climate and topography diversity originated, in Rio
Grande do Sul, extensive areas of hydromorphic clay soils, ...
Determinação das equações de chuvas intensas em bacias hidrográficas do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-04-26)
The design of hydraulic structures to curb the excessive rain, dams,
containment basins, terraces, and others are designed with a rainfall that can define
the maximum flow of the construction project, satisfying the ...
Estimativa do desempenho de tratores agrícolas em campo e pista a partir do ensaio dinamométrico
(Universidade Federal de Santa Maria, 2012-03-22)
The agricultural tractor allows to move and to pull machines and implements used
during the execution of the activities to field. One of the largest problem refers to
the acting of the tractor, the reason of a lot of ...
Desempenho e emissões de motor agrícola ciclo diesel utilizando diferentes combustíveis
(Universidade Federal de Santa Maria, 2014-07-25)
The behavior of the agricultural cycle diesel engine when changes the fuel type and
operating mode, must be known so that we can identify the best fuel resulting in better performance
at lower emissions. However, when ...
Comparação de métodos via solo e via demanda evaporativa para manejo de irrigação da cultura da soja safrinha
(Universidade Federal de Santa Maria, 2014-08-25)
Irrigation must function adequately meet the water demands of crops so that they express their full productive potential. However, there are variations with the soil-plant-atmosphere relationship, interfering to determine ...
Estimativa dos parâmetros da resistência do solo ao cisalhamento através de pedotransferência
(Universidade Federal de Santa Maria, 2014-07-11)
The growing world population requires a higher demand for food and one of the
techniques to meet this demand is irrigation. One of the best alternatives for the
storage of water for use in irrigation are earth dams. The ...
Desempenho de mecanismos sulcadores de semeadora-adubadora sobre os atributos físicos do solo em várzea no comportamento da cultura da soja (Glycine Max L).
(Universidade Federal de Santa Maria, 2014-08-15)
Soybeans are very beneficial in rotation to rice in lowland areas, but one of the limiting factors on the crop in lowland areas is the soil compaction. The objective of this study was to evaluate the effect of furrow ...