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2012, vol. 38, iss. 4, pp. 291-298
Testing mobile threshing machine 'V-08' in wheat seed threshing
aInstitute for Forage Crops, Kruševac
bUniversity of Kragujevac, Faculty of Agronomy, Čačak
Improvement of genetic potential and technologies in forage crops production in function of sustainable animal husbandry development (MESTD - 31057)
The Improvement and Preservation of Biotechnology Procedures for Rational Energy Use and Improvement of Agricultural Production Quality (MESTD - 31051)

Keywords: threshers; wheat; seeds; demonstration plots; seed losses; threshing quality
This paper presents the examined qualitative characteristics of mobile thresher for threshing seeds of field and vegetable crops at the experimental fields (manufacturer 'ERNET' from Kikinda, type V-08). On small experimental plots threshing is an integral part of the crop after harvesting. The aim was practical application and evaluation of the device in certified seed threshing wheat in micro experiments. Ongoing investigations have revealed the losses in seeds threshing straw walkers and sieves that appear in the tailings and spikes in threshed free grain mass. Height loss and quality of harvested seeds depends on the variety, seed moisture at harvest time, the number of revolutions the drum, the clearance between the concave hole size on screens and their purity. Overall losses in working threshing machines ranged from 0,17 to 3,24% which is less than the loss of seeds on screens from 0 to 0,18% of the yield, and the rest of the losses on the walkers. Threshing quality was determined based on the average sample taken from the pursebags in which they collected from seed threshers. Later, in the laboratory, broken and scarce seed and other ingredients are dissenting on the average sample separator (Dakota type). Threshing quality was satisfactory because the share of pure seed ranged from 88 to 98,52%, a brief seeds from 0,73 to 4,65%, and other particles from 0,73 to 9,95%. Quality of harvested wheat seed is satisfactory with minimal seed losses of the total quantity of seeds in the sample with correct adjustment mode.
Barać, S., Đokic, D., Biberdžić, M., Milenković, B., Đikic, A., Aksić, M. (2011) Results of the comparative research of grain losses in wheat harvest by wheat combines with tangential harvesting device. Lozanec: Bulgarian National Multidisciplinary Scientific Network of the Professional Society for Research work, Vol. 2, 1-5
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article language: Serbian
document type: Original Scientific Paper
published in SCIndeks: 22/03/2013

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