Controle estatístico aplicado ao processo de colheita mecanizada de sementes de amendoim

• Ano de defesa: 2009
• Autor(a) principal: Simões, Ronaldo Rosa [UNESP]
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Estadual Paulista (Unesp)
• Palavras-chave em Português: Amendoim; Amendoim - Colheita; Arranquio; Amendoim - Colheita mecanizada; Arachis hypogaea
• Link de acesso: http://hdl.handle.net/11449/96806

The peanut culture has its fruits under the soil surface, demanding a two-steps harvest named digging and collecting. In this process different losses degree can occur, varying spatially and timely influencing directly on the produced seed quality. Estimating that the peanut mechanized harvest losses present temporal variability and, therefore, the sampling place can intervene the gotten values determination, this work aimed evaluate, by the process statistical control means, the quantitative losses in the plowing and picking up the peanut, as well evaluate statistically the seeds quality after harvest. To data collecting a 42-sample-poitns mesh was built in which the visible, invisible, and total losses in the plowing, the platform losses, the visible, invisible, and total losses in the harvest were evaluated. Peanut harvest characterization parameters as soil and pods water content, dry matter, line dimensions, vegetal munching, harvested material flow were determined as well seed physiologic quality evaluations. The water content in the pods and soil was adequate to plowing. The visible, invisible and total losses during plowing presented asymmetric distribution and instability according the statistical control. The total losses in the peanut harvest was the only parameter with normal distribution in the collecting. All material collected characterization variables (except mineral impurities) and the germination index to the seed physiologic quality presented normal distribution.