RESUMO:O objetivo deste trabalho foi verificar se a cultura do milho é influenciada pelo manejo mecânico da aveia-preta dessecada antes de sua semeadura, pela utilização de rolo destorroador. Os tratamentos consistiram na semeadura do milho sob a matéria seca de aveia-preta dessecada sem manejo mecânico e rolada. O experimento foi realizado em quatro propriedades, duas na safra de 2007/2008 e as outras duas na safra de 2008/2009. O delineamento experimental adotado foi em blocos ao acaso, com 11 repetições, cujas parcelas possuíam 80 m 2 cada. Avaliaram-se a qualidade da semeadura e os componentes de rendimento. Conclui-se que o manejo mecânico da palha de aveia-preta antes da semeadura do milho pode elevar significativamente os espaçamentos falhos e reduzir significativamente os espaçamentos aceitáveis. Nas áreas experimentais, os tratamentos não afetaram os componentes de rendimento da cultura do milho, havendo apenas acréscimo no custo da produção. PALAVRAS-CHAVE:aveia-preta, rolo destorroador, componentes de rendimento. NO TILL CORN SEEDING WITH AND WITHOUT MECHANICHAL MANAGEMENT OF DRY MATTERABSTRACT: The aim of this study was to determine whether the corn is influenced by the management of dry oat before sowing, by the use of roller-Loosening. The treatments consisted of sowing the corn in the oat dry matter without mechanical handling and rolled. The experiment was conducted in four properties, two in the 2007/2008 harvest, and two others in the 2008/2009 season. The experimental design was randomized blocks with 11 repetitions, which plots had 80 m 2 each. It was evaluated the quality of sowing and yield components. It was concluded that in the four agricultural properties and two years mechanical handling of the oat straw before sowing the corn significantly increased the spacing flawed, significantly reduced the acceptable spacing and did not affect the corn yield, and only increased the cost of production.
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