30
SEP
2021

Operational characteristics of a machine-tractor unit for direct sowing of barley using the JD LINK telematics system

G. Tihanov*, G. Hristova Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 11 June 2021; accepted for publication 26 August 2021) Abstract. A study has been conducted for some operational indicators of a
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30
MAR
2021

Fuel consumption of a machine-tractor unit in direct sowing of wheat

G. Tihanov1*, N. Ivanov2 1Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Department of Plant production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 7 September 2020; accep
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29
DEC
2020

Species composition and density of weeds in a grain maize crop depending of soil tillage

P. Yankov*, M. Drumeva Department of Plant Production, Faculty of Manufacturing Engineering and Technologies, Technical University of Varna, 1 Studentska Str., 9010 Varna, Bulgaria (Manuscript received 5 September 2020; accepted for publication 26 October 2020) Abstract. The study was
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