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Dinâmica do nitrogênio-15N de palha de arroz, soja e sorgo em dois solos de várzea
(Universidade Federal de Santa Maria, 2016-07-29)
The use of alternative crops to rice (Oryza sativa L.), such as soybean (Glycine Maxl.) and sorghum (Sorghum bicolor L.) in lowland areas changes the chemical characteristics of the straw returned to soil. Straw quality ...
Qualidade de águas superficiais e tratamento de águas residuárias por meio de zonas de raízes em propriedades de agricultores familiares
(Universidade Federal de Santa Maria, 2007-02-23)
The anthropic action has changed the water quality of rivers and its tributaries as well as the sheets. In rural areas, where there is the predominance of familiar agriculture linked to the agroindustry, this problem is ...
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 ...
Erosão bruta e produção de sedimentos em bacia hidrográfica sob plantio direto no planalto do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2013-02-28)
The impact of agriculture on water resources has been a focus for problems associated with reservoir siltation, depletion of water quality, reduced infiltration and soil water storage, formation of floods and low water ...
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 ...
Suscetibilidade magnética na estimativa de atributos do solo e identificação de compartimentos da paisagem em latossolos de basalto no planalto do RS
(Universidade Federal de Santa Maria, 2015-02-25)
The variability of soil attributes is related to environmental factors affecting soil formation processes. Different techniques have been employed to map this variability, among these techniques, the reading of the magnetic ...