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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 ...
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 ...
Caracterização da variabilidade espacial das características químicas do solo e da produtividade das culturas, utilizando as ferramentas da agricultura de precisão
(Universidade Federal de Santa Maria, 2006-01-12)
In this work were investigated the spatial variability existent on the soil attributes utilized for soil fertility evaluation and its grade of participation on the yield crop variability. An experiment was conducted over ...
Cultivo de milho sob restrição hídrica, relações entre adubação nitrogenada, índices de vegetação e produtividade em ambiente irrigado e não irrigado
(Universidade Federal de Santa Maria, 2023-04-29)
Corn cultivation is an important activity in Brazilian agribusiness and contributes in several
ways to the country's economy. The aim of this research was to use Precision Agriculture (PA)
technologies in corn cultivation, ...