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Sistemas de cultivo para a cultura de melancia
(Universidade Federal de Santa Maria, 2010-07-15)
Aiming to evaluate the watermelon crop (Citrullus lanatus L.) in different management systems, on an Ultisol in the Central Depression of RS, Brazil, an experiment was carried out during the agricultural year 2008/2009 ...
Correção da acidez do solo em subsuperfície em um latossolo de textura franco-arenosa sob plantio direto
(Universidade Federal de Santa Maria, 2008-01-29)
In tropical and subtropical areas, especially, where there is the dry period occurrence, the acidity subsurface (below the 10 cm) it has been pointed as one of the limitation causes to the growth of roots and the agricultural ...
Erosão bruta e produção de sedimentos em bacia hidrográfica sob plantio direto no planalto do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2013-02-28)
The impact of agriculture on water resources has been a focus for problems associated with reservoir siltation, depletion of water quality, reduced infiltration and soil water storage, formation of floods and low water ...
Nitrogênio na solução do solo e aspectos nutricionais e fisiológicos do milho cultivado após 12 anos sob fontes orgânicas e mineral
(Universidade Federal de Santa Maria, 2018-07-19)
Animal manures are frequently utilized in agriculture as a source of nutrients, especially nitrogen (N). The
objective of this work was to evaluate how the application of manure from different animal breeding systems
during ...
Emissão de gases de efeito estufa, ciclagem de nutrientes e produtvidade de arroz irrigado em função de manejos póscolheita e plantas de cobertura
(Universidade Federal de Santa Maria, 2018-05-11)
The flooded rice production goes through a period of stagnation of productivity and low
profitability in the state of Rio Grande do Sul. One of the factors contributing to this scenario
is the low fertility of lowland ...
Redistribuição de sedimentos em encostas por meio do C total e do isótopo 13C
(Universidade Federal de Santa Maria, 2017-07-17)
High intensity of rains, associated with inadequate management in agricultural areas, have been caused loss of large volumes of soil by erosion, leading the sediments and nutrients to the hydric sources. The loss of sediments ...
Modelagem matemática do escoamento superficial na escala de encosta sob plantio direto
(Universidade Federal de Santa Maria, 2017-02-24)
The runoff generation over fields with no-tillage agriculture management remains being a problem with environment, social and economic impacts. The purpose of this research was evaluate the capacity of a physic based and ...
Caracterização de biocarvões derivados de diferentes dejetos animais e resíduos das culturas e seu uso em cultivos de grãos
(Universidade Federal de Santa Maria, 2019-01-25)
In near future the disposal of organic wastes may be a serious problem in Southern Brazil as the region has
plentiful amounts of animal farms and crop production. Preparing biochar can be a strategy to dispose off ...
Atributos físicos e mecânicos de um latossolo conduzido sob diferentes sistemas de manejo
(Universidade Federal de Santa Maria, 2020-02-20)
The soil quality physical has great importance in the development of roots of the plants, therefore
areas under no-tillage can present compaction problems result loss to crops grown in these areas.
Machine traffic is ...
Emissão de amônia e dinâmica do nitrogênio no solo com parcelamento da dose e adição de inibidor de nitrificação em dejetos de suínos
(Universidade Federal de Santa Maria, 2012-04-27)
Pig Slurry (PS) is used mainly as a fertilizer for crops in southern Brazil where the
predominant soil management is in no-tillage. Thus, the application of manure on the soil
surface can increase losses of nitrogen (N) ...