Buscar
Itens para a visualização no momento 81-90 of 104
Dejetos de animais como fertilizante em longo prazo: impacto nas emissões de óxido nitroso e na produtividade das culturas
(Universidade Federal de Santa Maria, 2018-02-28)
The application of animal manure in the soil aims to provide nutrients to the plants, especially nitrogen
(N). However, areas with a history of applications (over 10 years) may favor the accumulation of N in
the residual ...
Atributos do solo e desempenho da cultura do milho sob diferentes alturas de massa de forragem pós-pastejo
(Universidade Federal de Santa Maria, 2012-02-29)
The Crop-Livestock System (ILP) refers to an association between two activities in the same area at
different periods of the year, that involves annual crops and livestock. This study aimed to: (a)
evaluate the dry matter ...
Combinação de modelos de balanço hídrico no solo e sensoriamento remoto para o monitoramento de áreas irrigadas
(Universidade Federal de Santa Maria, 2016-05-10)
This work uses remote sensing (RS) and geographic information system (GIS) techniques for the
support of irrigation management and crop monitoring of center pivot irrigated areas with
particular emphasis on the estimation ...
Uso da terrra e caracterização hidropedológica na região de vila Kramer, São Francisco de Assis - RS
(Universidade Federal de Santa Maria, 2010-08-31)
The knowledge about the physical-natural environment to be explored is extremely important for the correct development of human activities. The planning of land use
and occupation minimizes the environmental impact, ...
Padrão sazonal da qualidade do solo, água, regimes térmicos e desempenho de culturas para biocombustíveis sob diferentes práticas de manejo
(Universidade Federal de Santa Maria, 2014-09-15)
The intensification of biofuel production causes negative impacts on soil quality, thus the soil requires adequate assessment to ascertain its quality status, however site-specific nature of results in literature requires ...
Óleo essencial de eucalipto como bioestimulador da micorrização e do estabelecimento de mudas de eucalipto e sibipiruna em solo contaminado com cobre
(Universidade Federal de Santa Maria, 2010-10-08)
Ectomycorrhizal fungi (fECM) combined with the plant root system improve the absorption of water and nutrients, providing great plant growth, especially in environments with nutritional deficiency or degraded. Due to the ...
Pedofunções para retenção de água de solos do Rio grande do Sul irrigados por aspersão
(Universidade Federal de Santa Maria, 2010-02-26)
The determination of some soil physical characteristics, especially those related
to water retention is difficult, requiring careful soil sampling, laboratories with
sophisticated and high-cost equipment, highly trained ...
Parâmetros de compressibilidade e permeabilidade ao ar de solos sob plantio direto
(Universidade Federal de Santa Maria, 2014-10-24)
The compaction process can be evaluated by soil compression curve. The curved segment of the compression curve shows the elastic deformation, while the linear segment represents the elastic deformation. The soil capacity ...
Dinâmica do escoamento superficial e da erosão em encostas sob plantio direto
(Universidade Federal de Santa Maria, 2019-10-29)
No-till (NT) is adopted worldwide. In Brazil, it covers more than 32 million hectares and is
used as a strategy for soil conservation. However, research led in South Brazil, a region which
stands out in NT agricultural ...
Estratégias para mitigar as emissões de NH3, N2O e CH4 em compostagem automatizada de dejetos líquidos de suínos
(Universidade Federal de Santa Maria, 2017-10-27)
Gaseous losses during composting of pig slurry (PS), mainly due to
volatilization of ammonia (NH3), emission of nitrous oxide (N2O) and methane
(CH4) have important environmental and economic implications, requiring
t ...