Abstract
The paper explores the efficiency of tractor track scarifiers that, once mounted, are constantly used with tractors for performing various technological operations, including layout of seedbed and sowing. The efficiency of tractor track scarifiers is calculated using a mathematical model of agricultural implements. A performance indicator is total energy consumption that include the energy of the crop lost due to soil compaction by tractor wheels. The computational experiments show the efficiency of tractor track scarifiers for sowing. A power effect for a sowing machine used with a John Deere-9430 tractor is in the range of 8000-10000 MJ/ha.
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