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Estoques e mecanismos de estabilização do carbono orgânico do solo em agroecossistemas de clima temperado e sub-tropical
(Universidade Federal de Santa Maria, 2009-06-21)
Soil carbon (C) sequestration in agriculture soil is a low cost option to mitigate global climatic change. No-till (NT) associated with good husbandry practices could compensate up to 15% of the anthropogenic CO2 emissions ...
Modelagem do desenvolvimento e do balanço de água no solo em trigo
(Universidade Federal de Santa Maria, 2008-02-29)
Wheat is the main winter crop in Rio Grande do Sul State. Temperature and photoperiod are the major environmental factors that control development in wheat. Wheat plants exposed to cold, non freezing temperatures induce ...
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 ...