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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 ...
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 ...
Crescimento de calêndula e produção de flavonóides em diferentes épocas de semeadura e suprimento hídrico
(Universidade Federal de Santa Maria, 2007-12-07)
The cultivation of medicinal plants, like marigold, is increasing in Brazil and is an alternative for cultivation in small areas. For this reason it is important to know about its bioclimatic requirements and its phenometric ...
Bioatividade de extratos vegetais no controle de Sitophilus oryzae (Linné, 1763) em arroz
(Universidade Federal de Santa Maria, 2007-09-19)
The continuous growth of the world population, intensive competition among humans and plant pests for the same food sources, the resistence to existing inseticides by some insects and the persistence of residues in the ...