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Biogrânulos aeróbicos em reator seqüencial em batelada para o tratamento de efluente de biodigestor proveniente da suinocultura
(Universidade Federal de Santa Maria, 2008-03-17)
The fermentation of pig slurry into anaerobic digesters has been a recommended practice for the energetic utilization of the produced methane (CH4), thus reducing the emission of this greenhouse gas into the atmosphere. ...
Transformações do carbono e do nitrogênio no solo e produção de aveia com o uso de dejetos de suínos em plantio direto
(Universidade Federal de Santa Maria, 2005-08-12)
The use of pig manure, especially of the deep-bedding manure, is not so often in the winter cover crops, preceding the summer commercial plantation. The aim of this study was to evaluate the carbon and nitrogen dynamics ...
Emissão de óxido nitroso e dióxido de carbono após aplicação de dejetos de suínos e bovinos em um argissolo
(Universidade Federal de Santa Maria, 2009-03-02)
Emission of greenhouse effect gases due to the agricultural use of the dejections of animals as fertilizers, as well as the mineralization of the carbon of those materials in the soil healthy aspects are still relatively ...
Cobre e zinco no solo sob uso intensivo de dejeto líquido de suínos
(Universidade Federal de Santa Maria, 2007-11-26)
The main alternative of pig slurry discard is its disposition in the soil as source of nutrients for plants. However, copper and zinc accumulation in the soil has been increasing significantly and may become an environmental ...