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Adubação nitrogenada à taxa variada com o N-Sensor nas culturas do milho e trigo
(Universidade Federal de Santa Maria, 2010-03-03)
Most tropical and subtropical soils present insufficient availability of nitrogen (N) to meet the demand of maize and wheat in order to obtain high yields. The N in plants can be evaluated through the use of sensors of ...
Fertilização nitrogenada à dose variada na cultura do milho
(Universidade Federal de Santa Maria, 2014-02-25)
Maize is the main cereal produced in Brazil, being highly responsive to nitrogen fertilization, since the tropical and subtropical soils presents insufficient availability of nitrogen (N) to attend the culture demand in ...
Atributos físicos do solo e a produtividade de soja e milho em áreas sob tráfego controlado de máquinas agrícolas
(Universidade Federal de Santa Maria, 2014-02-27)
The Soil compaction has been induced in the no-tillage (NT), mainly due to machinery traffic conditions in soils with high humidity. This traffic is essential for crop management, impossible to put out of the field. ...
Variabilidade espacial de atributos do solo e da produtividade da soja e qualidade do solo em sistema de integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2015-02-20)
For the sustainability of integrated crop-livestock systems, the proper management of its components (soil-plant-animal), which are dynamic and interact with each other, are essential to define the system's ability to ...
Fertilização a taxa variável de nitrogênio em trigo integrando sensoriamento de cultura e zonas de manejo na região Sul do Brasil
(Universidade Federal de Santa Maria, 2016-07-25)
There are basically two approaches for variable rate of nitrogen prescription, the first one based on management zones (predictive) and the second one based on remote sensing (reactive). These approaches have complementary ...
Balanço e evolução temporal de teores de fósforo e potássio no solo em áreas manejadas com agricultura de precisão
(Universidade Federal de Santa Maria, 2011-08-31)
The need for improving nutrient use efficiency and increase savings demand a better
knowledge of soils and production systems. The objective of this study was to
evaluate the soil P and K budget and its relationships ...
Relações de atributos químicos do solo e a produtividade das culturas de soja e milho
(Universidade Federal de Santa Maria, 2013-05-28)
With the advance the adoption of precision agriculture in Brazil, growing use the technological tools georeferenced soil sampling and crop yield. Relations and crossing data information between these two tools can assist ...
Resposta de um monitor de produtividade com sensor ótico a variações de produtividade em arroz irrigado
(Universidade Federal de Santa Maria, 2011-04-08)
Precision Farming (PF) has been studied mainly in soybean, corn and wheat crops,
and its use has been increasing in commercial fields. However, in irrigated rice crop,
the use of this technology has not yet been fully ...
Adoção da agricultura de precisão na Amazônia: estudo de caso na região cone sul do estado de Rondônia
(Universidade Federal de Santa Maria, 2016-08-09)
During the last years, the application of Precision Agriculture (PA) has been a research object worldwide, and the understanding of the factors related to it becomes crucial for the development of strategies that can meet ...
Estimativa da produtividade de milho (Zea Mays L.) através de imagens obtidas por veículo aéreo não tripulado
(Universidade Federal de Santa Maria, 2016-08-30)
Get the determination of grain yield and its variability is important in agriculture because it enables the understanding of factors that limit this income, giving more benefits to decision-making in the management of the ...