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Aplicação de técnicas de agricultura de precisão em pequenas propriedades
(Universidade Federal de Santa Maria, 2006-02-24)
The adoption of precision agriculture techniques finds great limitation because of the high cost, not always guaranteeing the expected economic return. Among the consequence of this elevated cost it is the restriction use ...
Pontas de pulverização e volumes de calda no controle de Anticarsia gemmatalis Hübner, 1818 e Piezodorus guildinii (Westwood, 1837) na cultura da soja Glycine max
(Universidade Federal de Santa Maria, 2008-03-14)
The aim of the study were: a) to evaluate the effect of spraying nozzles on two insecticides
controlling velvetbean caterpillar, Anticarsia gemmatalis, stink bug, Piezodorus guildinii and b) to
evaluate the effect of ...
Agricultura de precisão: manejo da fertilidade com aplicação a taxa variada de fertilizantes e sua relação com a produtividade de culturas
(Universidade Federal de Santa Maria, 2009-03-27)
The agriculture of precision has been an important tool for the characterization of the spatial variability of soil attributes and crops. Thus, there is many options to elaborate thematic digital maps that can improve the ...
Desempenho de dois protótipos de semeadoras-adubadoras para plantio direto
(Universidade Federal de Santa Maria, 2009-02-20)
With the objective of evaluating the acting of two seeder-fertilizer prototypes for the direct seeding system, works were developed in field conditions and evaluation track
according to international standard. The experiments ...
Inspeção técnica de pulverizadores agrícolas no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2008-11-27)
The projects of inspection of agricultural sprayers projects are realized in several countries already at a long time. These projects looking to get informations
and give orientations for operators that make applications ...
Efeito do rainfastness e adjuvante na aplicação de fungicidas foliares em cultivares de soja
(Universidade Federal de Santa Maria, 2008-02-27)
Deposition, distribution and tenacity on the leaf surface can influence the efficacy of the fungicide. The effect of rainfall after the spray might run out fungicides of contact from leaf surface. It can also remove the ...
Vitivinicultura de precisão aplicada a produção e qualidade de uva Pinot noir no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2009-03-26)
Precision agriculture applied to vitiviniculture can bring several advantages to vitis crop production with positive effects on grape and wine quality. This study s objective was to put into practice precision vtiticulture, ...
Morfofisiologia da cultura de batata submetida a diferentes regimes hídricos
(Universidade Federal de Santa Maria, 2008-02-22)
The objective of this work was: (i) to study morpho-physiological and yield modifications in two potato cultivars (Chieftain and Iporá) under different irrigation
managements and; (ii) to determine the actual crop ...
Análise de máquinas agrícolas distribuidoras de fertilizantes segundo requisitos projetuais
(Universidade Federal de Santa Maria, 2008-03-03)
The Brazilian agriculture develops year by year. Nowadays, it is noticed that studies addressed for a constant increase for an implantations of technological systems in machineries and management of rural properties are ...
Limite superior da retenção da água no solo: método de campo e método de estimativa
(Universidade Federal de Santa Maria, 2008-02-01)
The superior limit of water retention in soil, also known as field capacity, still is motive of discussion and research inside the academic community. This happens because the
variability of soils determines the alternation ...