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Recuperação de neodímio a partir de fontes secundárias utilizando ácidos orgânicos e CO2 supercrítico
(Universidade Federal de Santa Maria, 2019-11-28)
Technological innovation has brought with it a number of electro-electronic equipment, but its
disposal has been faster, making these wastes a concern, as to their destination and the supply
of raw materials. These ...
Gestão organizacional da geração distribuída em concessionárias de energia elétrica no Brasil
(Universidade Federal de Santa Maria, 2019-12-19)
The transformation of the electricity sector towards a more diversified and sustainable electricity production has spread the importance of generation distributed from renewable sources. Despite the national scenario of ...
Risco de ocorrência de excesso e déficit hídrico na soja em terras baixas
(Universidade Federal de Santa Maria, 2019-02-21)
The objective of this study was to determine the duration of the soybean development cycle as
a function of the sowing date and to obtain the probability of water excess and deficit in
Planosols of the Vacacaí and Piratini ...
Determinação de resíduos de agrotóxicos em azeite de oliva e azeitonas empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-08-03)
Commonly used in the Mediterranean diet, olive oils and table olives have become more frequent in the everyday meals of the Brazilian consumer. Despite the small consumption per capita, the country is already the second ...
Tratamento químico, uso de aditivos, Azospirillum brasilense e pH do solo na cultura do trigo
(Universidade Federal de Santa Maria, 2019-03-08)
The response to inoculation of wheat seeds with Azospirillum brasilense is variable and depends on factors related to the inoculation and the growing environment. The objective of this research was to evaluate the effect ...
Emissão de gases de efeito estufa, características produtivas e morfológicas de cultivares de arroz sob manejos de irrigação
(Universidade Federal de Santa Maria, 2019-03-01)
The cultivation of irrigated rice is an important source of greenhouse gases emission. Among the main
greenhouse gases are the area of rice are methane (CH4) and nitrous oxide (N2O), which vary depending
on crop management ...
Aplicações práticas do modelo PhenoGlad e o efeito da deficiência hídrica na cultura do gladíolo
(Universidade Federal de Santa Maria, 2019-12-20)
The objectives of this thesis were (i) to develop a climate risk zoning for gladiolus in the predicted end-century climate change scenarios in Rio Grande do Sul; (ii) to apply a crop forecasting methodology to predict the ...
Potencial e lacunas de produtividade em arroz irrigado no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-12-19)
The Rio Grande do Sul state is the main Brazilian rice producer (Oryza sativa L.). Despite
continue increase of average rice yield in the last years, there is still a huge difference between
yield experiments from rice ...
Fatores abióticos na germinação de sementes, fluxo de emergência de Echium plantagineum L. em diferentes sistemas de manejo
(Universidade Federal de Santa Maria, 2019-12-10)
Echium plantagineum, popularly known as the purple flower, is considered an annual weed, which infests crops and pastures in the fall, winter and spring periods. Considered an aggressive species of rapid growth, has high ...
Predição de epidemias causadas por Phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2019-02-18)
The main strategy to control Asian rust (Phakopsora pachyrhizi) is the chemical control along with the use of disease risk prediction models which would help in the decision making. The studies aimed to validate a scoring ...