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Itens para a visualização no momento 141-150 of 158
Funções de predição espacial de propriedades do solo
(Universidade Federal de Santa Maria, 2012-01-27)
The possibility of mapping soil properties using soil spatial prediction functions
(SSPFe) is a reality. But is it possible to SSPFe to estimate soil properties such as the particlesize
distribution (psd) in a young, ...
Estratégias de manejo físico e químico para melhoria dos atributos da camada de enraizamento profunda em sistema plantio direto de qualidade
(Universidade Federal de Santa Maria, 2019-07-15)
The no-till system brought any benefits to crop systems, as the reduction of the soil erosion and
of costs of the production, increase of the water retention, higher accumulation of soil organic
matter, increase of the ...
Mineralização do carbono e do nitrogênio de resíduos da indústria fumageira no solo e fornecimento de nitrogênio ao capim sudão
(Universidade Federal de Santa Maria, 2019-08-05)
The use of agricultural and industrial residues as agricultural fertilizer besides to reduce environmental problems, allows the crop production with lower demand for mineral fertilizers. The tobacco processing in industries ...
Dinâmica do fósforo em ecossistema de pastagem natural submetido à aplicação de fontes de fosfato
(Universidade Federal de Santa Maria, 2012-01-09)
The knowledge of P dynamics in grassland ecosystems may be important to
prescription of changes caused by the addition of different sources of phosphate fertilizers in
the P forms of soil, dry matter production and ...
Produção de grãos, matéria seca e acúmulo de nutrientes em culturas submetidas à adubação orgânica e mineral
(Universidade Federal de Santa Maria, 2010-04-29)
In Brazil, one of the main activities on small farms is the creation of small animals. The waste produced in this activity can be used as an alternative fertilizer because it contains a number of chemicals readily available ...
Caracterização florística e pedológica de dois fragmentos de floresta estacional subtropical no rebordo do planalto do RS
(Universidade Federal de Santa Maria, 2012-06-12)
The study was conducted in a remnant forest Subtropical Seasonal Forest on the edge of the Plateau of Rio Grande do Sul in Itaara containing two stages of succession, secondary forest and capoeira, having as main objective ...
Variabilidade de classes de solos, atributos morfológicos e físico-hídricos no rebordo do Planalto Meridional
(Universidade Federal de Santa Maria, 2013-07-24)
The edge of the Southern Plateau is an area geomorphologically complex and extremely important social and environmental. These areas are under-researched due to its low agricultural potential. In recent decades, these areas ...
Concentração de argilominerais 2:1 em solos subtropicais
(Universidade Federal de Santa Maria, 2013-02-22)
The 2:1 expandable clay minerals have high importance when present in soil, even in small amount, as in the case of soil with a high degree of secondary alteration. The study of these minerals is essential to understanding ...
Comportamento hidrossedimentológico de uma bacia hidrográfica rural utilizando técnicas de monitoramento e modelagem
(Universidade Federal de Santa Maria, 2012-02-29)
The aim of this study was to analyze the hydrological behavior of a watershed with intense agricultural activity based on rainfall, water discharge and suspended sediment concentration data. The study provides an analysis ...
Propriedades físicas, mecânicas e hídricas de um argissolo submetido ao pastejo de ovinos em campo nativo
(Universidade Federal de Santa Maria, 2012-05-28)
The natural pastures characterize important food source for the creation of cattle and sheep.
These often are subjected to intensive grazing schemes, which may result in physical
deterioration of the soil. Sustainable ...