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Desempenho de elementos descompactadores para escarificação em sistema de semeadura direta
(Universidade Federal de Santa Maria, 2013-02-25)
The competitiveness of the agricultural production system has led producers to seek ways to enhance their crops and increase their profits. With the reduction of sowing windows and intensification of production systems, ...
Projeto de um nebulizador autopropelido para aplicação de inseticidas no combate aos mosquitos: fases informacional e conceitual
(Universidade Federal de Santa Maria, 2009-02-27)
There are many diseases transmitted by mosquitoes and, among them,
dengue has been standing out in the last years by the increasing and elevated
numbers of infected people, being considered as one of the principal problems ...