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Itens para a visualização no momento 141-150 of 165
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 ...
Preparos e propriedades físicas de um solo arenoso para cana-de-acúcar e mandioca no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-02-29)
The growing demand for biofuels as alternative to petroleum-based fuels has instigated increased production of bioenergy crops. The southern half of Rio Grande do Sul, by having limited water resources for the production ...
Modeling sediment yield on hillslopes under no-till farming
(Universidade Federal de Santa Maria, 2021-05-31)
A geração e o desenvolvimento do escoamento superficial dependem de vários fatores que controlam a infiltração de água no solo e a propagação do escoamento superficial. A quantidade de água que não é infiltrada tem o ...
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, ...
Relação entre o capeamento pedológico e o substrato rochoso-arenoso no oeste do estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-08-03)
The western part of Rio Grande do Sul, which corresponds to geomorphological sector Cuesta de Haedo, is almost entirely composed by volcanic rocks from the Serra Geral Formation, and by sandy sediments from the upper part ...
Ocorrência, caracterização e eficiência de fungos micorrízicos em Eucalyptus grandis e Acacia mearnsii
(Universidade Federal de Santa Maria, 2006-08-29)
It is essential that the quality of seedlings production in the forest species has an
appropriate substrate, with good structure, consistency, high porosity, high capacity of
nutrition and water retention and inoculated ...
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 ...
Efluxo de metano em solo sob manejos de irrigação e cultivares de arroz irrrigado
(Universidade Federal de Santa Maria, 2011-12-19)
Human activity has been pointed out as the main reason of global warming by
effluxes of CO2, N2O and CH4. In the last years, harmful effects of greenhouse gases
due to its increase in atmosphere have been arousing interests ...
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 ...