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Caracterização biológica e fisiológica de buva (Conyza bonariensis L.) resistente ao herbicida glyphosate
(Universidade Federal de Santa Maria, 2014-02-07)
Conyza bonariensis, popularly known as fleabane, is a major weed of soybean crop in Southern Brazil, due to its evolution as resistant to glyphosate herbicide, high adaptability to production systems and high production ...
Fertilizante foliar em associação com fungicida em trigo
(Universidade Federal de Santa Maria, 2014-02-25)
The Chemical control of diseases is the most used practice in wheat. The increase in mineral nutrition with foliar fertilizers has been a promising alternative for the plant resistance against leaf diseases. However, foliar ...
Avaliação da qualidade físico-hídrico-mecânica de um latossolo vermelho sob diferentes manejos
(Universidade Federal de Santa Maria, 2014-02-27)
Different systems use and management tend to degrade the soil structure. The reduction of soil physical quality has direct consequences for the growth and development of plants, as well as the dynamic flow of water and ...
Alterações fisiológicas em milho cultivado em solo com alto teor de cobre e submetido à aplicação de zinco
(Universidade Federal de Santa Maria, 2014-02-07)
Due to the historical application of cupric fungicides in vineyards, the amounts of copper (Cu) in these soils can reach levels that cause toxicity to plants. Recently researchers have tried alternative products to the ...
Melhoria da qualidade química do perfil do solo como estratégia para atenuar os efeitos de déficits hídricos sobre a produtividade das culturas de grãos em sistema plantio direto
(Universidade Federal de Santa Maria, 2014-12-10)
The chemical improvements provided by no-till have been restricted to the upper soil layers, limiting root development in the subsurface, and the efficient use of water, especially in years with drought. This study had the ...
Plantas de cobertura, cultivares e nematicidas no manejo de meloidogyne javanica e pratylenchus brachyurus em soja
(Universidade Federal de Santa Maria, 2014-12-11)
The root-knot nematode Meloidogyne javanica is a major plant parasitic nematode of soybean. Its control should be based on the use of all available methods. Thus the objective of the study was to evaluate the effect of ...