Detalhes bibliográficos
| Ano de defesa: |
2011 |
| Autor(a) principal: |
Vasconcelos, Márcia Beatriz Silva |
| Orientador(a): |
Reis, Ângelo Vieira dos |
| Banca de defesa: |
Não Informado pela instituição |
| Tipo de documento: |
Dissertação
|
| Tipo de acesso: |
Acesso aberto |
| Idioma: |
por |
| Instituição de defesa: |
Universidade Federal de Pelotas
|
| Programa de Pós-Graduação: |
Programa de Pós-Graduação em Sistemas de Produção Agrícola Familiar
|
| Departamento: |
Faculdade de Agronomia Eliseu Maciel
|
| País: |
BR
|
| Palavras-chave em Português: |
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| Palavras-chave em Inglês: |
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| Área do conhecimento CNPq: |
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| Link de acesso: |
http://guaiaca.ufpel.edu.br/handle/123456789/2359
|
Resumo: |
The Family Farm has a great capacity for productive conversion and management, fitting the best possible economic, social and cultural rights, including the market in an effective and dynamic, but facing some problems to absorb new technologies to increase productivity. There is the great importance of developing technologies for family farms, covering their needs and demands of economically and efficiently. Therefore this study aimed to develop a prototype feeder fertilizer that meets the two sowing lines simultaneously, and to verify the functionality of the design principles of the chosen solution. We evaluated the performance of the prototype with four types of fertilizer, three conditions for opening the dispenser system (430, 839 and 1.270mm ²) and three speeds (2.5, 5.0 and 7.5 rpm) of the active organ. The performance of the fertilizer metering mechanism was judged satisfactory for granulated products, but should be improved to avoid disrupting the flow of materials in powder form at low speeds. It was possible to obtain flow rates of fertilizer between 14 and 100 g / s, which meet the needs of family farmers. |
