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Qualidade de águas superficiais e tratamento de águas residuárias por meio de zonas de raízes em propriedades de agricultores familiares
(Universidade Federal de Santa Maria, 2007-02-23)
The anthropic action has changed the water quality of rivers and its tributaries as well as the sheets. In rural areas, where there is the predominance of familiar agriculture linked to the agroindustry, this problem is ...
Potencial do Pupinus albescens Hook. & Arn. para recuperação de solos arenizados do bioma pampa
(Universidade Federal de Santa Maria, 2007-02-28)
As the productive processes move forward on the sandy soils of the Southwest region of Rio Grande do Sul, the
arenização has been assuming relevance as factor of soil and regional ecosystem degradation. Contention measures ...
Desenvolvimento de um sistema computacional para tipificação de unidades de produção familiar através de análise de agrupamento
(Universidade Federal de Santa Maria, 2007-08-31)
The rising and the characterization of production systems, in a conventional way, has
it limited to the scale of the rural property, usually with analysis statistical univariate,
just considering the size of the property ...
Tolerância de espécies florestais arbóreas e fungos ectomicorrízicos ao cobre
(Universidade Federal de Santa Maria, 2007-12-13)
The contamination of soil for copper had refusal contribute to plants establishment in mining and vineyards areas of South Brazil. Mycorrhyzal forestry species could be one alternative to viable the development of plants ...
Biotransformações do nitrogênio no solo durante a decomposição de palha de trigo e dejetos líquidos de suínos
(Universidade Federal de Santa Maria, 2007-04-20)
Nitrogen is usually the element present in higher concentration in pig slurry and the one that causes the major problems related to environmental pollution, since it is subjected of several transformations after soil slurry ...
Relações entre indicadores de qualidade do solo e a produtividade das culturas em áreas com agricultura de precisão
(Universidade Federal de Santa Maria, 2007-02-16)
The estimative of yield variability is an important tool to soil management decisions and to investigate yield limiting factors. Tools of precision farming as yield mapping and soil sampling using GPS makes possible identify ...
Controle do crescimento e desenvolvimento da batata semente através da condutividade elétrica da solução nutritiva
(Universidade Federal de Santa Maria, 2007-03-02)
Potato average production in Brazil is well above the world s one, but in Rio Grande do Sul the opposite is true, as this state holds one of the country s smallest mean production. This fact is mainly due to the use of low ...
Manejo do nitrogênio na cultura do melão
(Universidade Federal de Santa Maria, 2007-01-11)
The goal of this work was to determine the N requirements of the muskmelon crop and adjusting a method for diagnosis of the plant nutritional status, for estimations of fertilization rates to be used during growth and ...
Estudo das percepções de educação ambiental e sustentabilidade dos professores do curso de Agronomia da UFSM: um estudo de caso
(Universidade Federal de Santa Maria, 2007-04-04)
As a result of the growing concern about global environmental issues a new society paradigm, the so called sustainable development has emerged as an alternative to the traditional approaches. This study is aimed at ...
Dinâmica do carbono durante a decomposição de palha de trigo marcada com 13C e dejetos líquidos de suínos
(Universidade Federal de Santa Maria, 2007-05-11)
In no-tillage areas, the pig slurry is applied on the cultural residues, as much as cover or commercial crops. A few research information exists involving the soil carbon dynamics with this modality of pig slurry application. ...