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- W249385544 abstract "Soil tillage in conventional tillage systems is one of the most energy consuming process. The intensity of soil tillage depends on the number of soil tillage operations, kind of device (active driven by PTO or passive by drawbar power), implement geometry and depth of operation. Fuel consumption of soil tillage is correlated with intensity of soil tillage. In the energy flow from engine to implement there are efficiency loses in the engine, transmission and wheelsoil interface. Moreover slippage, which is an expression of the traction efficiency, effects the field performance and the fuel consumption. The paper deals the influence of working width of mouldboard plough (mounted and semi-mounted) and T-trailed cultivator (3 bars; row spacing: 27 cm; 18 tines; tine spacing; 27 cm) on field performance, fuel consumption, slip and specific energy consumption. The ploughs and the cultivator are provided by the Austrian farm machinery manufacturer Pottinger. The experiments were conducted on the arable fields at the experimental farm Gross Enzersdorf (Lower Austria) of the University of Natural Resources and Life Sciences (BOKU) Vienna. For measuring of the real and theoretical speed (parameters for slip calculation), the tractor was equipped with a radar and wheel hub sensor. The fuel consumption was measured for each trial run in threefold repetition volumetrically. The results shows, that the technical field performance increases with the working width of the plough. The fuel consumption for ploughing rises discontinuously with the working width, which is a result of the luxury engine power in the 2x5 mouldboard plough-tractor combination. The increase of the working depth from 15 cm to 25 cm for the cultivator enhances the fuel consumption by 70 % and the slip by 265 %, whereas the specific fuel consumption is on the same level. The traction control system in ploughs reduces fuel consumption between 10 and 11.5 %. With increasing working width of the plough the potential of subsoil compaction is increasing, because of risen load of the rear furrow wheel." @default.
- W249385544 created "2016-06-24" @default.
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- W249385544 date "2012-01-01" @default.
- W249385544 modified "2023-09-25" @default.
- W249385544 title "Specific energy consumption and field performance in ploughing and cultivating." @default.
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