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Itens para a visualização no momento 11-20 of 41
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 ...
Calibração e validação de um modelo de emissão de nós na cultura da soja
(Universidade Federal de Santa Maria, 2019-07-19)
Soybean (Glycine max L.) is the most cultivated oilseed in the world. Mathematical models
adapted and tested under different environmental conditions are useful tools that allow
describing the interactions between the ...
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 ...
Potencial adsorvente da casca e polpa de moringa na remoção de corante orgânico em solução aquosa
(Universidade Federal de Santa Maria, 2019-08-02)
Historically the main environmental degradation factors are linked to industrial processes. The textile and food industries use high volumes of water in their processes. These industries use products such as preservatives, ...
Modelagem da evapotranspiração e produção para Alstroemeria x Hybrida irrigada em ambiente protegido
(Universidade Federal de Santa Maria, 2019-08-05)
Modeling of crop productivity, when inserted in the ornamental sector, is not widespread. There are few specific models for estimating ornamental crop production due to the requirement of calibrated parameters for the ...
Projeto e desenvolvimento de um sistema de aquisição e armazenamento de dados para avaliações de máquinas agrícolas
(Universidade Federal de Santa Maria, 2019-12-04)
In an agricultural production system, the most versatile machine is the tractor, mainly used for move and pull machines and attachments. The use of independent data collection and storage equipment or datalogger in the ...
Monitoramento do requerimento hídrico e rendimento de soja e milho via combinação de modelo de balanço hídrico do solo e sensoriamento remoto
(Universidade Federal de Santa Maria, 2019-12-13)
The increase in world population has resulted in increased demand for food, requiring increased crop productivity. Water stress is the major limiting factor for grain yield of spring-summer crops in Rio Grande do Sul, ...
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 ...