Buscar
Itens para a visualização no momento 21-30 of 474
Desempenho de modelos de estimativa da radiação solar e evapotranspiração de referência
(Universidade Federal de Santa Maria, 2018-07-16)
Solar radiation (Rs) is the most important source of energy in nature and directly
influences the evapotranspiration process. There are many ways of estimating solar
radiation and evapotranspiration, however, they require ...
Desligamento automático de seção em semeadoras e taxa variada de sementes: novas abordagens para a semeadura precisa
(Universidade Federal de Santa Maria, 2018-05-07)
Precision planting has been an emerging concept worldwide; however, the benefits of some technologies associated to this approach are still a knowledge gap. Studies evaluating the benefits of automatic section control ...
Efeito de diferentes operações de secagem e armazenagem na qualidade de duas cultivares de soja
(Universidade Federal de Santa Maria, 2018-08-03)
In order to adapt to the international marketing standards, there is a growing concern
regarding the quality of the soybeans produced, and the post-harvest stages can
preserve the quality of the beans until the ...
Demanda de torque e potência de implementos agrícolas acionados pela tomada de potência
(Universidade Federal de Santa Maria, 2018-08-23)
The agricultural tractor is considered the modern agriculture basis due its versatility
within a rural property. Many tests were needed to determine their ability to supply
power to equipment, tools and other machines ...
Aperfeiçoamento de uma bancada para teste de vida acelerada em sistemas eletrônicos embarcados em máquinas agrícolas
(Universidade Federal de Santa Maria, 2018-08-17)
The electronics embedded in agricultural machinery is a technological package indispensable for the development of world agriculture. It is known that the systems help agriculture in increasing productivity and reducing ...
Influência da irrigação e do manejo da desfolha sobre o balanço hídrico e produção de forragem de Tifton 85
(Universidade Federal de Santa Maria, 2017-07-24)
The studies with the use of irrigation systems in pastures focus on assessing productive responses of forage plants. However, it is important to evaluate the use of technologies and favor the application of the knowledge ...
Avaliação energética de métodos de controle de taxa de aplicação em sistemas de irrigação por aspersão convencional
(Universidade Federal de Santa Maria, 2018-02-23)
Rio Grande do Sul presents a growing increase in agricultural production, however, the occurrence of phenomena that cause anomalies in the rainfall volume, affects negatively the agricultural development. Faced with this ...
Nucleação como gatilho ecológico na restauração de áreas mineradas no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2018-03-01)
The present study aimed to determine the effectiveness of nucleation techniques as an ecological restoration strategy in mined area, to determine the performance of these techniques as promoters of ecological triggers to ...
Resposta da irrigação na produção de forragem de milheto
(Universidade Federal de Santa Maria, 2018-02-16)
Irrigation is a technique that seeks to ensure high yields and reduce periods of forage scarcity. With the inclusion of irrigation, there is an increase in the cost of production, this should be less than the income added ...
Desenvolvimento de um bioherbicida a partir de metabólitos de phoma sp. para o manejo de plantas daninhas
(Universidade Federal de Santa Maria, 2017-03-02)
The weeds are one of the main problems faced by the farmers, because such weeds are responsible for a significant amount of the agricultural losses. The key control method is the chemical with use of herbicides. Although ...