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Emissão de óxido nitroso e metano em área de cultivo com arroz irrigado com diferentes manejos da palha pós-colheita
(Universidade Federal de Santa Maria, 2013-02-15)
Post-harvest rice straw managements can alter CH4 and N2O emissions and global
warming potential (GWP) in lowland areas cultivated with rice. In order to test this
hypothesis, the present study was planned to quantify ...
Simulação hidrossedimentológica com o modelo LISEM em uma pequena bacia hidrográfica rural
(Universidade Federal de Santa Maria, 2013-02-28)
Hydrossedimentological monitoring and modeling have been used as important tools to evaluate and simulate the hydrosedimentological processes in rural watersheds, in order to effectively propose conservation practices in ...
Degradação de biossólido por fungos lignocelulolíticos
(Universidade Federal de Santa Maria, 2013-08-28)
The treatment of wastewater in the Santa Maria city (RS) is the type of extended aeration
activated sludge. In this process are generated solid waste (biosolids) requiring final
disposal. In the chemical composition of ...
Modelagem na transferência de cobre e zinco em solos contaminados por dejetos líquidos de suínos
(Universidade Federal de Santa Maria, 2013-06-07)
Soils subjected to successive pig slurry (PS) amendments present zinc (Zn) and copper (Cu) increases, mostly on soil surface layer. The continuous application of PS causes accumulation of these heavy metals (HM) in soil, ...
Índices de desempenho ambiental e comportamento hidrossedimentológico em duas bacias hidrográficas rurais
(Universidade Federal de Santa Maria, 2013-07-08)
Anthropogenic actions determine the surface condition of watersheds by altering the hydrological dynamics and sediment yields. Environmental quality indicators that use the hydrosedimentological variables and characteristics ...
Variáveis pedogeoquímicas e mineralógicas na identificação de fontes de sedimentos em uma bacia hidrográfica de encosta
(Universidade Federal de Santa Maria, 2013-04-19)
Inadequate land use, ignoring its agricultural fitness can, in a short time, transform thousands of hectares in fragile systems highly susceptible to degradation processes. The use of the fingerprinting method in the ...