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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 ...
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 ...
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo
(Universidade Federal de Santa Maria, 2020-02-20)
Soil quality can be assessed through chemical, physical and biological index and properties. However, there is a knowledge gap on the reference values for interpretation of soil microbiological properties. In this study, ...
Fragilidade ambiental da Bacia do Arroio Guarda Mor
(Universidade Federal de Santa Maria, 2020-07-23)
Erosion hotspots act as sediment sources and are responsible for the transfer of sediments, nutrients and pollutants, leading to soil and water degradation. The erosive process occurs on variable and continuous range of ...
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 ...
Proposição de doses e níveis críticos de nitrogênio e potássio em videiras
(Universidade Federal de Santa Maria, 2020-08-31)
When the soil does not have the capacity to supply enough nutrients to supplement the demand of the grapevines, it becomes necessary to carry out fertilization. However, it is not sufficiently known which the critical ...
Atributos químicos e matéria orgânica do solo sob diferentes manejos em Latossolo do Cerrado
(Universidade Federal de Santa Maria, 2020-09-25)
Cotton (Gossypium hirsutum L.) is an important agricultural crop in the Brazilian Cerrado
region and is frequently grown under conventional soil tillage (CT), monoculture and/or in
succession with grain crops, such as ...