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Metais pesados em solo e plantas em área com longo histórico de aplicações de fontes orgânicas e mineral de nutrientes
(Universidade Federal de Santa Maria, 2014-02-20)
The application of organic and mineral fertilizers in agricultural areas, especially, in no-till system
and over the years, can promote increased levels of heavy metals and as arsenic (As), cadmium
(Cd), lead (Pb), chromium ...
Liberação de potássio e alteração mineralógica em argissolos subtropicais
(Universidade Federal de Santa Maria, 2014-02-24)
The potassium (K) of a given soil depends primarily on its parent material. The K in the soil can be conceptually divided into: structural K, non-exchangeable K, exchangeable K, and K in the solution. Studies have shown ...
Adubação nitrogenada em videiras jovens e em produção
(Universidade Federal de Santa Maria, 2014-02-27)
In the Campanha Gaúcha from Rio Grande do Sul State (RS), vines has been cultivated under
sandy soils with low organic matter content; therefore they have a low nitrogen (N) supply
capacity and inputs of N fertilizers are ...
Dimensionamento amostral para análise de trilha em caracteres de milho
(Universidade Federal de Santa Maria, 2014-05-16)
The objective of this study was to determine the sample size necessary to estimate the average, the coefficient of variation, the Pearson linear correlation coefficient and the direct effects of explanatory variables on ...
Fitorremediação de solo de terras baixas contendo imidazolinonas
(Universidade Federal de Santa Maria, 2014-02-25)
Herbicides that present residual effect in the soil, preventing or reducing the emergence of weeds, are inputs of great importance to ensure the expected productivity of comercial crops. However, this residual can prejudice ...
Produtividade de massa seca e edulcorantes em folhas de estévia relacionados à época de colheita
(Universidade Federal de Santa Maria, 2014-12-16)
Stevia rebaudiana is a perennial plant, native to South America; it has natural sweeteners (steviol glycosides) on their leaves free of calories, very sweet and could be replaced by sucrose without presenting problems to ...
Ácaros na cultura de soja: genótipos, danos e tamanho de amostra
(Universidade Federal de Santa Maria, 2014-08-29)
The study aimed to evaluate the influence of soybeans genotypes on spider mites populations, quantify the occurring damage from spider mite attack and determinate leaflet number collected from different genotypes to estimate ...
Seleção de linhagens de feijão de alto desempenho agronômico e biofortificadas para potássio, fósforo, zinco e cobre
(Universidade Federal de Santa Maria, 2014-08-15)
Considering the expansion of grown of common bean for large mechanized areas and the need of biofortication of basic foods consumed by the Brazilian population, to minimize minerals deficiencies, obtaining common bean lines ...
Seleção precoce de clones de batata adaptados às condições temperada e subtropical de cultivo do sul do Brasil
(Universidade Federal de Santa Maria, 2014-02-28)
Experiments were conducted in order to (i) evaluate the use of canonical correlation to identify
plant and tuber traits that can be used for early identification of superior potato clones and (ii) develop
and validate a ...
Construindo a sustentabilidade dos povos da maré através da co-inovação
(Universidade Federal de Santa Maria, 2014-08-29)
The prospect "livelihoods" leads us to think of subsistence strategies of the families, which
are variable depending on the context and the worldviews built in the historical trajectory of
each traditional community. The ...