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Modelagem do escoamento, da produção de sedimentos e da transferência de fósforo em bacia rural no sul do Brasil
(Universidade Federal de Santa Maria, 2011-03-01)
Areas under intensive tobacco crop cultivation have been impacting the water
balance and increasing soil erosion in Southern Brazil. Application of large amounts
of mineral fertilizers, higher than the ...
Planejamento do uso do solo em unidades de produção familiar produtoras de fumo: limites e possibilidades para a superação de conflitos agroambientais
(Universidade Federal de Santa Maria, 2011-07-18)
The occupation of forest ecosystems in mountainous region of the Rio Grande do Sul state occurred with the
establishment of agriculture and livestock at small family production units (FPU). Qualitatively and
quantitatively ...
Zoneamento pedoambiental da erva mate Ilex paraguarensis para o município de Erechim - RS
(Universidade Federal de Santa Maria, 2011-08-31)
The aim of this study is to propose information that can help the pedoenvironmental zoning of
Ilex paraguariensis St. Hil for the county of Erechim, identifying, with the aid of
geoprocessing techniques, the areas with ...
Mapeamento digital de solos: Metodologias para atender a demanda por informação espacial em solos
(Universidade Federal de Santa Maria, 2011-11-07)
Soil has increasingly being recognized as having an important role in ecosystems as
well as for food production and global climate regulation. For this reason, the demand for
relevant and updated information on soil is ...
Emissões de dióxido de carbono durante a implantação de culturas em dois sistemas de preparo em latossolo vermelho do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-12-19)
In farming systems with annual crops, the crop establishment period is characterized by intense soil disturbance in conventional tillage (CT) or disturbance only in the sowing line, in case of no-tillage (NT). The soil ...
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 ...