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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 ...
Manejo de solo e água em soja e arroz em terras baixas
(Universidade Federal de Santa Maria, 2019-03-11)
The lowland areas with agricultural production in the southern half of Rio Grande do Sul are predominantly cultivated with rice, flood irrigated. This irrigation method uses more water and emits larger amounts of greenhouse ...
Sensoriamento remoto para identificação das causas da variabilidade no índice de massa da soja
(Universidade Federal de Santa Maria, 2014-08-27)
Remote sensing is the use of sensors to capture electromagnetic
energy reflected by objects. The quantification and qualification of the reflected
energy can help the diagnosis of plant development and the presence of ...
Relação entre pontas de aplicação, horário de aplicação e cultivares no controle de Phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2010-03-31)
The process of agricultural production in Brazil has as a main gear the application of chemicals carried out by spraying machines. This study aimed to identify possible interactions between the tips of spraying nozzles, ...
Misturas de biodiesel de soja, com aditivação e variação do ponto de avanço, em um motor de injeção direta
(Universidade Federal de Santa Maria, 2010-08-09)
The diesel fuel is used widely in the country and the world. Moreover, growing environmental awareness leads to a larger demand for renewable energy resources. The pioneering in the use of ethanol makes Brazil also bears ...
Efeito de diferentes estratégias de irrigação sob a cultura da soja (Glycine max (L.) Merril) na região de Santiago, RS
(Universidade Federal de Santa Maria, 2007-02-16)
Among the different production s factors, water is what most limits the productivity of the cultivated plants, especially in regions where the irregular distribution of pluvial precipitation
is present. In these cases, ...
Água no solo e rendimento de trigo, milho e soja, associados ao fenômeno El niño oscilação sul e à mudança climática simulados para Santa Maria, RS.
(Universidade Federal de Santa Maria, 2005-01-20)
The El Nino Southern Oscillation (ENSO) is a large-scale phenomenon that impacts weather and climate worldwide, including Southern and Northeast Brazil. Soil water is a major factor that affects interannual crop production ...
Desenvolvimento e validação de um dispositivo para monitoramento da qualidade da massa de grãos de soja no transporte rodoviário
(Universidade Federal de Santa Maria, 2021-11-16)
The objective of this research was to develop and validate a hardware device with temperature, relative humidity and CO2 sensors for indirect monitoring of grain mass quality. All experimental steps were carried out at the ...
Desempenho de mecanismos dosadores de precisão quanto a qualidade da distribuição de sementes de soja
(Universidade Federal de Santa Maria, 2020-07-10)
For the growth of Brazilian soybean production and exports, it is necessary to use appropriate and quality equipment that efficiently meets the demand. Nowadays and in the future, agriculture will be increasingly taken by ...
Desempenho agronômico de cultivares de soja em dois regimes hídricos e duas épocas de semeadura em Cachoeira do Sul
(Universidade Federal de Santa Maria, 2019-07-12)
The objective of this study was to analyze the development and productivity of three cultivars of soybean in two sowing seasons using two different water regimes in the municipality of Cachoeira do Sul - RS. There were ...