Author： Mesquita C. Hanna M. Costa N. Neto J.F.
Publisher： Academic Press
ISSN： 0021-8634
Source： Journal of Agricultural Engineering Research, Vol.77, Iss.3, 2000-11, pp. : 297-301
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Abstract
An experimental device was built for threshing standing, uncut soya bean plants. It used impact energy provided by nylon cords, fixed on counter-rotating shafts, striking the soya beans from both sides of the plant row. The device threshed up to 99% of the beans depending on the ground speed. The material-other-than-grain removed at slower speeds was significantly more than that removed at faster ground speeds. Ground speed had no effect on seed vigour. However, the vigour of seeds harvested with the experimental device was significantly higher compared to those harvested conventionally. The estimated average energy required by the threshing device was 4 MJ/ha.
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