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Caracterização de sedimento e de contaminantes numa microbacia hidrográfica antropizada
(Universidade Federal de Santa Maria, 2007-03-28)
The agricultural activities generate an impact on the environment that needs constant study to improve the understanding of the ways, levels and implantation of litigator practices of contamination. The study of contaminants ...
Nitrogênio em videira: recuperação, acumulação e alterações na produtividade e na composição da uva
(Universidade Federal de Santa Maria, 2008-02-20)
The rate of nitrogen (N) in grapevines in the Rio Grande do Sul (RS) State, Southern Brazil, is established considering N content in leaves or leaves petioles and yield expectation limits. Once N fertilization needs have ...
Sistema pedológico em um ambiente antropizado da depressão central do RS
(Universidade Federal de Santa Maria, 2009-08-28)
The present work was accomplished in a slope with a pedological system composed of Red Argisol/Gleysol, in a pasture area located in an unit of agricultural production in the municipal district of Santa Maria - RS. It aimed ...
Estimativa da infiltração de água no solo a partir de pedofunções
(Universidade Federal de Santa Maria, 2008-03-06)
Knowledge on soil water infiltration is essential for the solution of problems concerning irrigation and drainage areas and those related to water and soil conservation research. In that regard, the aim of this paper was ...
Ocorrência, caracterização e eficiência de fungos micorrízicos em Eucalyptus grandis e Acacia mearnsii
(Universidade Federal de Santa Maria, 2006-08-29)
It is essential that the quality of seedlings production in the forest species has an
appropriate substrate, with good structure, consistency, high porosity, high capacity of
nutrition and water retention and inoculated ...