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Relação entre estratégias de crescimento, fotossíntese e uso de nitrogênio e fósforo por gramíneas forrageiras C4 nativas da América do Sul
(Universidade Federal de Santa Maria, 2017-08-09)
The aim of this thesis is to evaluate different species of native grasses from southern Brazil grasslands of contrasting in its specific leaf area (SLA) and leaf dry matter content (LDMC) traits, if species of higher SLA ...
Temperatura base, soma térmica, plastocrono e duração das fases fenológicas de cultivares de pimenta biquinho
(Universidade Federal de Santa Maria, 2017-02-21)
The objective of this study was to estimate the base temperature (Tb, ºC), degree day (STa, ºC day) and plastochron (ºC dia nó-1) of the development satges of the biquinho pepper cultivars. The study was conducted in the ...
Caracterização morfofisiológica, molecular, enzimática e compatibilidade vegetativa de Fusarium oxysporum e F. solani em erva-mate
(Universidade Federal de Santa Maria, 2017-02-17)
The cultivation of Yerba-mate (Ilex paraguariensis) has intensified in the state of Rio Grande do Sul, due to the valorization of the price paid to the producer. However, the demand for studies related to the pathosystem ...
Estrutura de comunidades e mecanismos de regeneração natural de um trecho de floresta ribeirinha no bioma Pampa, Brasil
(Universidade Federal de Santa Maria, 2017-12-11)
The change in the characteristics of the environment causes variations in the vegetation creating mosaics with different compositions and structure. The objective of this research was to evaluate the influence of environmental ...
Variabilidade espacial de atributos químicos do solo, produtividade, e qualidade fisiológica de semente de soja
(Universidade Federal de Santa Maria, 2017-01-24)
The production of seeds with high potential for germination and vigor, besides being
desirable for obtaining a field of production with different physiological quality, adds
value to the product and guarantees its ...
Estratégias para mitigar as emissões de NH3, N2O e CH4 em compostagem automatizada de dejetos líquidos de suínos
(Universidade Federal de Santa Maria, 2017-10-27)
Gaseous losses during composting of pig slurry (PS), mainly due to
volatilization of ammonia (NH3), emission of nitrous oxide (N2O) and methane
(CH4) have important environmental and economic implications, requiring
t ...
Análise de formulações explícitas do coeficiente de perda de carga em condutos pressurizados
(Universidade Federal de Santa Maria, 2017-07-07)
One of the parameters involved in the design of pressurized hydraulic systems is the pressure drop of the pipes. This verification can be performed through the Darcy-Weisbach formulation, which considers a coefficient of ...
Modelagem da produção de sedimentos em bacia hidrográfica rural sob diferentes equações de eficiência de desagregação do modelo erosivo LISEM
(Universidade Federal de Santa Maria, 2017-10-31)
The Limburg Soil Erosion Model (LISEM) erosion prediction model is an environmental planning and
diagnostic tool that, through the simulation of the processes of sediment detachment, transport and
deposition provided by ...
Competitividade da agricultura familiar na região central do Rio Grande do Sul: um estudo de caso utilizando a matriz SWOT
(Universidade Federal de Santa Maria, 2017-08-14)
The present dissertation aims to analyze the transaction costs and the strategic resources in family farms, in order to identify positive and negative aspects, which have a competitive impact for the farmer. Thus, the ...
Influência de diferentes manejos de água sob o crescimento do capim sudão (Sorghum sudanense (Piper) Stapf)
(Universidade Federal de Santa Maria, 2017-02-13)
The adequate supply of year-round quality pastures is essential for animal development. However, during the spring-summer period the quantity and quality of the natural pastures diminish, due to the lack of rain or the ...