Buscar
Itens para a visualização no momento 11-20 of 126
Decomposição e liberação de nitrogênio da palha cana-de-açucar em função do ambiente e quantidade de palha
(Universidade Federal de Santa Maria, 2014-07-28)
The sugarcane residues came out as an important source of biomass for the production of
cellulosic ethanol in Brazil. However, there is a lack of studies on the impact that how partial
removal of these residues affect the ...
Efeito do fungo micorrízico arbuscular e do vermicomposto na fitorremediação do cobre em solo arenoso
(Universidade Federal de Santa Maria, 2014-09-12)
Introduction and objectives: Arbuscular mycorrhizal fungi and vermicompost may decrease the deleterious effects of copper on plants. The goal of the present study was to evaluate the effect of inoculation with the fungus ...
Aplicação superficial de calcário: até onde migram e até quando persistem os efeitos no perfil do solo?
(Universidade Federal de Santa Maria, 2014-08-04)
Soil acidity is a major limiting factor in crop production. The low solubility of lime is a critical
limitation which restricts its dissolution as well as neutralization of soil acidity in the vicinity of its
particles. ...
Teores no solo e espécies químicas na solução de P, Cu e Zn com adições sucessivas de dejetos líquidos de suínos
(Universidade Federal de Santa Maria, 2014-07-29)
The distribution of pig slurry in agricultural areas, by presenting various elements in its
composition, can over time, increase the levels of nutrients in the soil, as well as changing the
distribution of chemical species ...
Emissão de gases de efeito estufa e potencial de aquecimento global em sistemas de culturas intercalares ao tungue (Aleurites fordii)
(Universidade Federal de Santa Maria, 2014-02-26)
The tung (Aleurites fordii) has received attention in recent years as a promising source of raw material for biodiesel production. For this crop to start production after three years of planting, appears in the first year ...
Disposição no solo e potencial fertilizante de um resíduo da indústria de biodiesel
(Universidade Federal de Santa Maria, 2014-02-13)
The biodiesel production generates large volumes of residues, which when improperly disposed have potential for environmental contamination. The objectives of this study were to evaluate the adding sawdust filtration ...
Produção de celulases por Gelatoporia subvermispora para hidrólise de material celulósico
(Universidade Federal de Santa Maria, 2014-04-16)
Several microorganisms are able of producing enzymes responsible for the conversion of biomass to ethanol, such as cellulases. However, studies about diversity and biotechnological application of microorganisms from Pampa ...
Estabilização do carbono de resíduos culturais no solo com o uso de xisto retortado
(Universidade Federal de Santa Maria, 2014-01-31)
The impact of retorted oil shale (ROS) addition on the dynamics of carbon (C) of crop residues (CR) in the soil is little known. Under laboratory conditions, the present study aimed to evaluate the residual and immediate ...
Modelos digitais de elevação e predição do carbono orgânico do solo no planalto do Estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2014-08-08)
The requirement for quantitative soil information has increased as a consequence of the global scenarios. The digital soil mapping (DSM) seeks to produce consistent data with the current needs through the generation of ...
Inoculação de bactérias diazotróficas em genótipos de sorgo sacarino
(Universidade Federal de Santa Maria, 2014-07-28)
The sweet sorghum (Sorghum bicolor) presents high potential to be utilized as a raw material for the generation of ethanol. Recent studies indicated that sorghum can be colonized by diazotrophic bacteria that may provide ...