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Propriedades reológicas de solos afetadas pela matéria orgânica, área superficial específica e salinidade
(Universidade Federal de Santa Maria, 2018-08-31)
Soil structure consists of the geometric arrangement of particles in aggregates. It is a dynamic property and (especially) together with texture influences several soil physical processes. For aggregation and structure ...
Seleção de porta-enxertos de videiras e amenizantes como estratégias para reduzir a fitotoxidez por cobre
(Universidade Federal de Santa Maria, 2020-02-28)
Frequent applications of chemical products, such as phytosanitary treatment to prevent and control leaf fungal diseases in vineyards, can be responsible for soil contamination with high copper (Cu) contents. Excess Cu in ...
Comunidade de nematoides como bioindicadores de qualidade do solo de um sistema de integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2019-02-25)
The crop-livestock integration (ILC) when there is a good managed increases economic gains and improves the quality of the environment. However, the excess of the animal load in the pasture of the ILP can cause damages to ...
Ação de fertilizantes orgânicos sob Pratylenchus brachyurus e Meloidogyne javanica em plantas de soja e tomate
(Universidade Federal de Santa Maria, 2020-02-21)
There is little research information on the agronomic response to the application of organic compounds as organic fertilizers in agriculture and in the effectiveness of crop development. The elucidation of the action of ...
Geoestatística aplicada no desenvolvimento de diagramas ternários para a estimativa do conteúdo de água e qualidade física de solos tropicais e subtropicais do Brasil
(Universidade Federal de Santa Maria, 2021-02-18)
The South, Midwest, Southeast and part of the Northeast are responsible for more than 70% of Brazilian agricultural production. Many of these areas are irrigated by sprinkling and intensively cultivated, which may lead to ...
Dinâmica da água do solo em cultivos agrícolas sob a influência de resíduos culturais e os impactos na produtividade de plantas
(Universidade Federal de Santa Maria, 2020-03-31)
The presence of vegetable residues on the soil surface is one of the main components that influence the soil water balance, once it acts directly in the water evaporation process of the system. With the scarcity of water ...
Avaliação do modelo CROPGRO para detectar efeito da compactação do solo no crescimento e na produtividade da soja
(Universidade Federal de Santa Maria, 2020-02-18)
Soil compaction is an inherent phenomenon of the management of large-scale crops and can be
associated to reduction on plant growth and yield. To know the effect of compaction on soil physical
properties is insufficient ...
Variabilidade espacial da comunidade vegetal e mecanismos de tolerância de espécies de plantas de cobertura do solo presentes em vinhedos com altos teores de cobre
(Universidade Federal de Santa Maria, 2021-01-21)
Pampa biome is one of the most diverse countryside ecosystems in the world. In Brazil, the conservation of this ecosystem has been neglected, and more than 54% of its original area has been eliminated. Nevertheless, the ...
Comportamento hidrológico de pequenas bacias hidrográficas com três espécies de Eucalyptus no bioma Pampa
(Universidade Federal de Santa Maria, 2019-02-27)
The establishment of Eucalyptus plantation in areas previously used for agriculture and livestock in the Pampa biome has generated questions about possible negative environmental impacts, mainly related to water consumption ...
Estratégias para reduzir as emissões gasosas e melhorar o aproveitamento do nitrogênio de dejetos de suínos pelo milho
(Universidade Federal de Santa Maria, 2014-02-28)
While promoting increased farm production, applications of pig slurry (PS), in notillage
systems (NT), may represent an important source of environmental contamination.
Therefore, the pursuit of technological strategies ...