999 resultados para Coberturas : Tecnologia
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Neste artigo trato do trabalho familiar nas olarias, com especial destaque para o trabalho da mulher. Analiso a posição da mulher na divisão do trabalho e estudo as conseqüências do trabalho para o corpo, bem como a percepção dessas conseqüências pelas trabalhadoras das olarias. Estas, mantidas há gerações na condição de manufaturas, caracterizam-se, na região, pela clandestinidade.
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Pós-graduação em Fisiopatologia em Clínica Médica - FMB
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Pós-graduação em Fisioterapia - FCT
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Pós-graduação em Geografia - FCT
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Pós-graduação em Desenvolvimento Humano e Tecnologias - IBRC
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Pós-graduação em Ciência da Informação - FFC
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The application of conservation practices in production systems is essential to the sustainability of the agricultural production capacity. The use of different cover crops can reduce the need of topdressing nitrogen fertilizers in wheat crops. This study aimed at evaluating the influence of cover crops residues (millet, sunn hemp, pigeon pea, millet + sunn hemp, millet + pigeon pea and fallow ground), grown previously to the summer crop (rice), and topdressing nitrogen doses (0 kg ha-1, 25 kg ha-1, 50 kg ha-1, 75 kg ha-1, 100 kg ha-1 and 125 kg ha-1), in the development and yield of wheat under no-tillage system. The experiment was carried out in Selvíria, Mato Grosso do Sul State, Brazil, in a Red Oxisol, in 2009/2010 and 2010/2011. The experimental design was randomized blocks, in a 6x6 factorial scheme. The cover crops developed during August/October (2009/2010) and September/November (2010/2011), previously to the summer crop, with the chemical desiccation performed respectively at 73 and 55 days after sowing. The wheat (winter) was sown in May, in both periods, and harvested at 113 (2009/2010) and 106 (2010/2011) days after emergence. The cover crops residues of pigeon pea, sunn hemp and millet + sunn hemp, preceding wheat, provided higher wheat yields, relatively to the fallow ground. The wheat yield showed a quadratic response to the increase in the nitrogen availability, reaching higher yields with the nitrogen doses estimated in 113 kg ha-1 (2010) and 98 kg ha-1 (2011).
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Research has investigated the best nitrogen rate for maize under the most diverse types of soil management. The aim of this study was to evaluate the influence of cover crops, soil management and topdressed N rates on the dry matter production, nutritional status, plant lodging, plant height and first-ear insertion of maize. Field experiments were carried out in Selvíria, Mato Grosso do Sul State, Brazil, in the growing seasons of 2009/2010 and 2010/2011, on a clayey Rhodic Haplustox (20º 20' S and 51º 24' W, at 340 m asl). Thirty-six treatments were established with four replications, in a randomized blocks design, to test combinations of cover crops (millet, Crotalaria juncea and millet + Crotalaria juncea), soil management (tillage with chisel plow + lightweight disking, heavy disking + lightweight disking, and no-tillage system) and N rates (0, 60, 90 e 120 kg ha-1 - urea as source). The maize hybrid DKB 350 YG® was used and topdressing N applied at stage V5 (fifth expanded leaf). Previously grown sunn hemp and millet + sunn hemp resulted in a higher shoot dry matter, P leaf content and total N, P and K uptake. In the no-tillage system, the initial and final population and shoot dry were highest, and first-ear insertion and plant height lower. The application of 120 kg ha-1 topdressed N increased the P leaf content, N and P in the entire plant, shoot dry matter, total N, P and K uptake, plant height, and the first-ear insertion of maize.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Desenvolvimento Humano e Tecnologias - IBRC
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Pós-graduação em Zootecnia - FCAV
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Due to the process of educational inclusion, it is necessary for the teacher who works with disabled students to acknowledge and master the resources of assistive technology equipment available in Brazil. The objective was to identify the presence of these resources at school and evaluate, having the teacher as the evaluator, the conditions of dealing with the Assistive Technology resources and equipment. The sample consisted of 14 teachers who work in the Resources Multifunction Classroom and 18 regular classroom teachers who have disabled students enrolled in their classrooms. Data collection was performed through the TAE Questionnaire - Assistive Technology for Education. The data collection was performance in groups during the training course sponsored by the Education Department of Rondonópolis as part of the Program of Continuing Education Training for Managers and Educators - Inclusive Education: The Right to Diversity. The questionnaire data indicated differences between the two groups mentioned. The teachers of the Resource Classes indicated that Assistive Technology resources are now being introducing at schools and that over 50% of this group understand the resources presented on the questionnaire. Most of the regular classroom teachers is still unaware of the Assistive Technology resources and equipment. Regarding the dealing of these resources the group of teachers from the multifunctional classroom is better prepared to use this technology. The data suggest the need for investment in acquisition and training of teachers in relation to Assistive Technology resources.