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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 ...
Desenvolvimento de sensor para quantificação do fluxo de massa de fertilizantes sólidos
(Universidade Federal de Santa Maria, 2020-02-03)
This study assumes that the insertion of sensors capable of instantaneous measurement of the mass flow of fertilizers, after its release by the feeder, can assist in the monitoring of the rates applied in each seeding line, ...
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 ...
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 ...
Emergência, distribuição espacial e manejo de buva resistente ao herbicida glifosato
(Universidade Federal de Santa Maria, 2014-01-31)
The knowledge of spatial distribution in weed populations allows site specific management
that can entail economic benefits of materials, and preservation of the environment. The
objective of this study is to evaluate ...
Geoestatística e imagens orbitais para caracterizar a distribuição espacial e danos de larvas de melolontídeos em cereais de inverno
(Universidade Federal de Santa Maria, 2010-03-01)
This study aimed to analyze the spatial distribution and use of orbital images for the identification of white grub damage. Will be presented in two chapters, the chapter one, presents the geostatistical characterization ...
Índice de Vegetação por Diferença Normalizada (NDVI) no patossistema Puccinia triticina Triticum aestivum
(Universidade Federal de Santa Maria, 2015-03-02)
One of the major problems and difficulties in the production process is to monitor / predict the presence, intensity and abundance of these pathogens under field conditions in a timely manner to avoid significant damage ...
Utilização de recursos de agricultura de precisão na geração de mapas de atributos, mapas de produtividade e aplicação de insumos a taxas variáveis.
(Universidade Federal de Santa Maria, 2004-02-27)
Abstract chapter 1 - Variability of a soy farming (Glycine Max (L.) Merrill) using simplified techniques of precision agriculture.
This work had as main objective to determine and analyze the spatial variability in soy ...
Agricultura de precisão em áreas irrigadas com pivô central no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2007-02-16)
The search for new technologies that could increase crop yields encourages a growing number of Brazilian farms to use precision farming. Although precision farming principles are not new, only in last two decades has it ...