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Desligamento automático de seção em semeadoras e taxa variada de sementes: novas abordagens para a semeadura precisa
(Universidade Federal de Santa Maria, 2018-05-07)
Precision planting has been an emerging concept worldwide; however, the benefits of some technologies associated to this approach are still a knowledge gap. Studies evaluating the benefits of automatic section control ...
O ensino e a pesquisa em agricultura de precisão nos cursos de agronomia nas instituições da região sul do Brasil
(Universidade Federal de Santa Maria, 2018-03-09)
The aim of this study was to understand the state of the art and the scientific and educational development of the new management strategies based on Precision Agriculture in the universities of the southern region of ...
Índice de vegetação por diferença normalizada (NDVI) para definição de zonas de manejo e monitoramento da variabilidade da sucessão aveia preta/soja
(Universidade Federal de Santa Maria, 2017-01-18)
The no-tillage system (SPD) was one of the main innovations in Brazilian agriculture, but there are still discussions about how to achieve and maintain its quality and sustainability. The management of SPD areas through ...
Eficiência de grades amostrais e zonas de manejo na acertividade da correção e fertilização em área de agricultura de precisão consolidada
(Universidade Federal de Santa Maria, 2016-02-17)
Soil samples from sampling grids is currently the leading precision farming tool used in Brazil. But it still has doubts about the economic feasibility of using grids with high density points. New technologies such as the ...
Manejo por ambiente: atributos de solo e desempenho de cultivares de soja
(Universidade Federal de Santa Maria, 2015-02-16)
The crop productivity mapping is an important precision farming tool enabling more efficient spatial management of agricultural areas. In this sense, the objective of this work was to identify and analyze zones with different ...
Modelagem matemática para dosadores de fertilizantes por delineamento composto central rotacional
(Universidade Federal de Santa Maria, 2014-02-07)
The world population growth poses to modern agriculture a number of challenges, one of the main ones is the assurance of the food supply. For this, the rational and appropriate use of fertilizers that can provide increased ...
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 ...
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 ...