Bulgarian Journal of Agricultural Science
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Investigation of seed losses at mechanized harvesting of sesame
Nayden Naydenov, Stoyan Ishpekov and Rangel Zaykov
Abstract: The losses of sesame seeds of Bulgarian varieties Aida and Nevena by the Wintersteiger – Hege 160, by the specialized device for feeding sesame stems in harvesting machine and by the wind has been investigated. The results testify that the percentage of losses by the specialized device is 1.7 to 4 times smaller than by the header of grain harvester for both varieties. The wind, with a speed of up to 10.3 m/s for two days during the sesame maturation, scatters from 14.1% to 22.5% of the seeds depending on the variety and its moisture content. When the sesame is harvested after a wind at mentioned speed then a decrease in the percentage of seed losses is registered. It is twice for the specialized device and from 5 to 7 times for Hege 160.
Keywords: losses; mechanized harvesting; sesame
Date published: 2021-02-17
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