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Resposta de cultivares de trigo (Triticum aestivum L.) à interferência das plantas daninhas
(Universidade Federal de Santa Maria, 2013-12-09)
Weeds consist of the main type of direct interference with annual crops and
are responsible for yield reduction. In this context , the objective of this research was
to investigate the competitive ability of wheat cultivars ...
Efeito do sombreamento e da variação estacional sobre o crescimento e produção de óleo essencial em Aloysia triphylla
(Universidade Federal de Santa Maria, 2013-08-13)
The following study was implemented in order to evaluate the effects of different shading levels on the growth and development of Aloysia triphylla plant and the production of essential oil in the four seasons of the year. ...
Efeito da cor do perfil na temperatura e concentração de oxigênio da solução nutritiva em cultivo hidropônico de rúcula
(Universidade Federal de Santa Maria, 2013-08-13)
This study has as main purpose to evaluate the influence of different color profiles on the cultivation related to temperature and dissolved oxygen concentration in the nutrient solution in the growing of rocket over two ...
Eficiência de malhas amostrais utilizadas na caracterização de atributos químicos em latossolos manejados com agricultura de precisão
(Universidade Federal de Santa Maria, 2013-01-07)
The georeferenced soil sampling using sampling grids is the main strategy of precision agriculture (PA) to recognize the spatial variability of soil attributes, allowing manage them in site-specific. In this context, the ...
Produção de biomassa, teor de óleo essencial e trocas gasosas em Aloysia triphylla submetida a diferentes disponibilidades hídricas
(Universidade Federal de Santa Maria, 2013-01-16)
The increasing demand for drugs in Brazil brings us to the improvement in cultivation of
medicinal plants, that amount plus the quality is recommended. This study aimed to evaluate
the growth, development, essential oil ...
Cruzamento dialélico parcial entre linhagens endogâmicas de milho
(Universidade Federal de Santa Maria, 2013-10-28)
Diallel are important to predict the best combinations between different heterotic
groups of maize inbred lines, as well as knowledge of the associations between
traits. The aim of this study is to estimate the combining ...
Quantificação e caracterização da biomassa florestal em plantios de curta rotação
(Universidade Federal de Santa Maria, 2013-01-17)
This study aimed to quantify and characterize forest biomass by determining the biomass production, the power calorific value, of basic density and energy productivity of species: Acacia mearnsii De Wild, Eucalyptus grandis ...
Definição de estabilidade produtiva e relação com atributos de solo em áreas manejadas com agricultura de precisão
(Universidade Federal de Santa Maria, 2013-07-05)
The mapping of grain yield is the main tool for analysis of the results of the techniques of precision agriculture used. In this sense, the aim of this study was to describe the equipment and clarify the current state of ...
Dejeto líquido de suínos e manejos de solo na sucessão aveia/milho/trigo duplo propósito/soja
(Universidade Federal de Santa Maria, 2013-06-07)
Swine production in southern Brazil is concentrated on small farms, seeking the recovery of waste as a source of nutrients crops of economic interest. The interaction between applications of pig slurry and soil management ...
Malhas de sombreamento fotoseletivas no crescimento e produção de alface hidropônico
(Universidade Federal de Santa Maria, 2013-01-16)
The quality of light can alter morphogenesis of plants through a series of processes mediated by light receptors, the use of nets with different spectral characteristics in the cultivation of certain vegetable crops has ...