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Itens para a visualização no momento 251-260 of 266
Qualidade física do solo sob diferentes tempos de adoção e de escarificação do sistema plantio direto e sua relação com a rotação de culturas
(Universidade Federal de Santa Maria, 2013-02-26)
No-tillage (NT) is a tillage system more important for the sustainability of agro-ecosystems.
However doubts remain concerning the formation of layers with high compaction level in NT,
residual effects of soil chiseling, ...
Resíduos sólidos de bovinos proveniente da estação de tratamento de efluentes de frigorífico pelo processo de compostagem e vermicmpostagem na produção de mudas de alface
(Universidade Federal de Santa Maria, 2011-07-22)
The agribusiness sector has been growing and these was the generation of solid waste and liquids increasing, constituing an environmental problem. The objectives of this work were: 1) to produce organic compound from solid ...
Emissão de gases de efeito estufa na cultura da cana-de-açúcar sob diferentes sistemas de preparo do solo e doses de nitrogênio
(Universidade Federal de Santa Maria, 2012-12-14)
Brazil is the world's largest producer of sugarcane. However, few studies have been conducted to evaluate the effect soil management systems and fertilization practices on emissions of greenhouse gases (GHG). Therefore, ...
Comportamento de combustíveis no solo
(Universidade Federal de Santa Maria, 2005-02-24)
The use of the petroleum as main energy base of the planet, brings with
herself serious consequences. The fractional distillation of the crude petroleum
generates hydrocarbons considered environmental pollutants, and ...
Rhizophagus clarus e fósforo em Crotalaria juncea em solo com altos teores de cobre
(Universidade Federal de Santa Maria, 2013-07-22)
Arbuscular Mycorrhizal Fungi (AMF) can increase the tolerance of plants to heavy metals, as well as their ability to enhance the acquisition of phosphorus (P). The aim of this study was to evaluate how the inoculation with ...
Resposta dos diplópodes e quilópodes à intensidade do pastejo em sistema integrado de produção de soja e bovino de corte
(Universidade Federal de Santa Maria, 2019-08-30)
Crop-livestock integration is an alternative for intensifying land use and increasing sustainable
food production. Millipedes and centipedes of soil perform essential ecosystem functions and
are bioindicators of environmental ...
Emissão de óxido nitroso e produtividade do girassol sob diferentes fontes de adubação nitrogenada
(Universidade Federal de Santa Maria, 2013-07-29)
The sunflower crop stands as one of oilseeds with high potential for use as a source of feedstock for biodiesel production in Brazil. However, there is a lack of studies with the use of organic fertilizer sources to evaluate ...
Alterações fisiológicas em milho cultivado em solo com alto teor de cobre e submetido à aplicação de zinco
(Universidade Federal de Santa Maria, 2014-02-07)
Due to the historical application of cupric fungicides in vineyards, the amounts of copper (Cu) in these soils can reach levels that cause toxicity to plants. Recently researchers have tried alternative products to the ...
Utilização da casca de arroz in natura e carbonizada na composição de substratos para o cultivo de Pleurotus ostreatus
(Universidade Federal de Santa Maria, 2022-02-25)
Rice husk is a waste generated in large quantities in various countries, although its
reuse is limited due to low nutritional quality and high silica content. Therefore, this
study sought to evaluate using raw or carbonized ...
Composto de pó de tabaco como fonte de nitrogênio à produção de grãos e forragem
(Universidade Federal de Santa Maria, 2021-07-30)
Tobacco activity is of paramount importance to Brazil, as it is the world's largest tobacco exporter. However, tobacco processing and processing in industries generate high amounts of highly toxic residues. In order to ...