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Estimativa dos parâmetros de funções de pedotransferência para os solos do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-04-29)
The soil water retention curve is an important information for the rational management of irrigation. Due to the difficulty in generating it through traditional methods, there is a need to create alternative methods, such ...
Desenvolvimento e avaliação de um mecanismo adaptável em dosador pneumático para individualização de sementes de arroz
(Universidade Federal de Santa Maria, 2019-04-22)
The objective of this research was to develop and evaluate a design composed of metering disc and scraper/excluder mechanism for its use in a picking doser with pneumatic aid, already existing in the agricultural market, ...
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 ...
Atributos influenciadores na tomada de decisão para a compra de máquinas agrícolas
(Universidade Federal de Santa Maria, 2019-09-04)
Buying agricultural machinery is invariably a costly investment for the rural enterprise, so decision making is not always an easy task and is to gather a lot of information in search of a decision that suits the proposed ...
Para além do dossel: restauração florestal baseada em processos ecológicos
(Universidade Federal de Santa Maria, 2019-08-08)
To evaluate if the ecological succession of a given location is directed towards self- sustainability, is necessary to look beyond the trees present in the canopy, where individuals are already established and there is ...
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 ...
Desenvolvimento de formulações para potencializar a ação de metabólitos de Phoma dimorpha no controle biológico de plantas daninhas
(Universidade Federal de Santa Maria, 2019-12-13)
In the last decades, the agricultural sector has faced many difficulties due to damage caused by the presence of weeds in several crops, causing significant losses in food production. Among the alternatives for reducing ...
Sistemas de manejo de solo em áreas irrigadas por pivô central
(Universidade Federal de Santa Maria, 2019-08-08)
The management of the irrigation in fields under no-till system was established according to the water potential in the soil as limiting factor to plant growth. However, the physical and chemical of the soil subsurface, ...
Imagens de satélite para predição espaço-temporal da produtividade de milho e soja em diferentes escalas geográficas
(Universidade Federal de Santa Maria, 2019-09-10)
As global food security issues become increasingly challenging, reliable estimates of crop yields are
becoming more imperative than ever for the scientific community. Today, with greater ease of
accessing remote sensing ...