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Modelagem do terreno e mapeamento digital de solos por extrapolação das relações solo-paisagem
(Universidade Federal de Santa Maria, 2016-05-31)
Research on digital soil mapping (DSM) in Brazil is subject to the existence of legacy soil data obtained through conventional methods for extrapolation of soil-landscape relations. In areas with no available soil maps, ...
Sistemas e manejos agrícolas modulam componentes multitróficos no solo
(Universidade Federal de Santa Maria, 2016-04-29)
Soil microbiome and relationships with soil meiofauna are important for the stability and
functionality of agroecosystems, including their potential effects on soil suppressiveness.
However, little is know about how farming ...
Dinâmica dos escoamentos na modelagem da produção de sedimentos em uma pequena bacia rural
(Universidade Federal de Santa Maria, 2016-03-01)
The models based on spatially distributed processes describe erosion and sediment yield using a physical approach of the mechanisms. In general, these models require high quality input data, description of the landscape, ...
Caracterização química e liberação de nitrogênio de compostos e vermicompostos de casca de arroz e dejetos de animais
(Universidade Federal de Santa Maria, 2016-12-16)
Composting and vermicomposting reduce the volume of wastes and improve their characteristics of use, as fertilizer. However, there is a lack of information about how to use them, depending on the processes and raw materials ...
Bioindicadores de qualidade do solo em um sistema integrado de produção agropecuária
(Universidade Federal de Santa Maria, 2016-12-07)
Integrated crop‑livestock systems (ICLS) can improve the chemical, physical and biological soil attributes. However, grazing intensification may outweigh these benefits and cause severe losses to the system. Soil biota is ...
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 ...
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 ...
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 ...
Combinação de modelos de balanço hídrico no solo e sensoriamento remoto para o monitoramento de áreas irrigadas
(Universidade Federal de Santa Maria, 2016-05-10)
This work uses remote sensing (RS) and geographic information system (GIS) techniques for the
support of irrigation management and crop monitoring of center pivot irrigated areas with
particular emphasis on the estimation ...