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Impacto da adição de resíduos orgânicos na comunidade microbiana do solo e na emissão de N2O
(Universidade Federal de Santa Maria, 2016-08-22)
Agricultural lands receive crop and animal residues as option for additional nutrients to replace inorganic fertilizers. Although the idea of discard residues is sustainable, its implementation contributes to the production ...
Prospecção de fungos quitinolíticos e produção de quitinases por fermentação em estado sólido
(Universidade Federal de Santa Maria, 2016-07-22)
Fungi are organisms that have high importance as they are the primary decomposers of all terrestrial ecosystems and have critical ecological functions in nutrient cycling and associations with other organisms. Metabolic ...
Propriedades reológicas de solos afetadas pela matéria orgânica, área superficial específica e salinidade
(Universidade Federal de Santa Maria, 2018-08-31)
Soil structure consists of the geometric arrangement of particles in aggregates. It is a dynamic property and (especially) together with texture influences several soil physical processes. For aggregation and structure ...
Comunidade de nematoides como bioindicadores de qualidade do solo de um sistema de integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2019-02-25)
The crop-livestock integration (ILC) when there is a good managed increases economic gains and improves the quality of the environment. However, the excess of the animal load in the pasture of the ILP can cause damages to ...
Comportamento hidrológico de pequenas bacias hidrográficas com três espécies de Eucalyptus no bioma Pampa
(Universidade Federal de Santa Maria, 2019-02-27)
The establishment of Eucalyptus plantation in areas previously used for agriculture and livestock in the Pampa biome has generated questions about possible negative environmental impacts, mainly related to water consumption ...
Estratégias para reduzir as emissões gasosas e melhorar o aproveitamento do nitrogênio de dejetos de suínos pelo milho
(Universidade Federal de Santa Maria, 2014-02-28)
While promoting increased farm production, applications of pig slurry (PS), in notillage
systems (NT), may represent an important source of environmental contamination.
Therefore, the pursuit of technological strategies ...
Emissão de amônia e dinâmica do nitrogênio no solo com parcelamento da dose e adição de inibidor de nitrificação em dejetos de suínos
(Universidade Federal de Santa Maria, 2012-04-27)
Pig Slurry (PS) is used mainly as a fertilizer for crops in southern Brazil where the
predominant soil management is in no-tillage. Thus, the application of manure on the soil
surface can increase losses of nitrogen (N) ...
Acúmulo de carbono no solo e potencial de aquecimento global influenciados pelo modo de aplicação de dejetos líquidos de suínos e inibidor de nitrificação
(Universidade Federal de Santa Maria, 2016-07-04)
Studies about the effect of pig slurry (PS) injection in the soil and the use of nitrification inhibitors, such as dicyandiamide (DCD), have been focused on the dynamics of nitrogen in the soil-plant-atmosphere system. The ...
Acidificação de dejetos de suínos em compostagem automatizada: emissões gasosas de nitrogênio e resposta da alface à aplicação do composto no solo
(Universidade Federal de Santa Maria, 2014-08-29)
Automated pig slurry (PS) composting has been praised in Brazil by environmental agencies, pig farmers and agribusinesses as a promising strategy for the proper disposal of these residues. Nevertheless, one of the problems ...
Eficiência de uso do nitrogênio por gramíneas em função do modo de aplicação de dejetos suínos no solo e do uso de inibidor de nitrificação
(Universidade Federal de Santa Maria, 2016-04-01)
The effect of pig slurry (PS) injection into the soil and nitrification inhibitor use such as dicyandiamide (DCD) on gaseous N losses to the atmosphere is better documented than the effect of these practices on nitrogen ...