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Longitudinal distribution of bean seeds in horizontal plate meter operating with one or two seed outlets

By Sandro S. Teixeira, Ângelo V. dos Reis and Antônio L. T. Machado


This study aimed to evaluate the effect of horizontal plate meter with oblong holes operating with one or two seed outlets at different speeds over the accuracy of longitudinal distribution of common bean seeds (Phaseolus vulgaris L.). The experiment was performed in laboratory using the meter with one and two seed outlet points in relation to ten tangential disk plate speeds (0.03 to 0.30 m s-1). It was used a complete randomized design with four replications, summing up 80 experimental treatments. Tangential speed quantitative factor was estimated through a 2nd order polynomial regression. There was no significant difference in the behavior of the seed meter operating with one or two outlets in the metering of bean seeds in all tested speeds, with percentage of single seeds spacing over 60% in tangential speeds below of 0.24 m s-1

Topics: agricultural mechanization, precision planters, percentage of single
Publisher: Associação Brasileira de Engenharia Agrícola
Year: 2013
DOI identifier: 10.1590/s0100-69162013000300013
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