77 resultados para Collector
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Pós-graduação em Agronomia (Produção Vegetal) - FCAV
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Pós-graduação em Psicologia do Desenvolvimento e Aprendizagem - FC
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Ciência da Computação - IBILCE
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Agronomia (Energia na Agricultura) - FCA
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Pós-graduação em Agronomia (Energia na Agricultura) - FCA
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Pós-graduação em Ciência dos Materiais - FEIS
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Pós-graduação em Psicologia - FCLAS
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The aim of the research was to evaluate the effect of adjuvants on the spray drift applications from mixture of 2,4-D + glyphosate. The trial was carried out in field conditions in a completely randomized design. The treatments corresponded to solutions containing mixture of the herbicides 2,4-D + glyphosate (670 and 1068g ha-1, respectively) adding the adjuvants (v v-1): mineral oil (0.5%); anti-drift agent (0.09%); spreader-sticker A (0.1%); liquid fertilizer (0.05%); spreader-sticker B (0.25%); and only herbicides without adjuvantes (control). Nylon strings were used to drift determination outside the application area (1, 5, 10, 20, 50, 100 and 200 m away) with 4 replications and six foam cylinders placed on the boom of the sprayer were used to collect the droplets subject to drift. The applications were performed simultaneously, using a specific salt tracer for each spray solution to quantify the deposits by spectrophotometer. It was not possible to verify effect of the adjuvants on drift at different distances of the application area. Based on droplets collected above the boom spray, it was found that susceptibility to drift was lower with the mineral oil and the anti-drift agent. The drift risk was higher with the liquid fertilizer and the spreader-sticker B.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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This paper aims to understand the nature of personal archives and their main features based on the collector entity IEB-USP (Instituto de Estudos Brasileiros da Universidade de São Paulo). Based on this entity and on archival theory, we discuss here, differences and similarities between the organic and private archives realizing the intrinsic value established on personal archival and how its institutionalization is denominated, once it directly pervades the attribution of value that is assigned and settled, relating to the work and life of a political or artistic personality, and also related to the collective memory and legacy left for this historically, aesthetic and socially important figures. We highlight, here, the approximation of Archival Science and Information Science and Library through the principles and organization methodologies applied to personal archives.