Disc speed harrow (DDS) are machines designed for fine loosening with turnover of stubble layer and unoccupied fallow to provoke weed sprouts for their subsequent ploughing or cultivation. After husking, the mulch of stubble and small lumps reduces moisture evaporation and improves conditions for microorganisms.
Economical use of OBD is provided by clad discs of increased resource, which surpass domestic analogues on the total resource in 2-2.5 times, as well as on agrotechnical and energy (traction resistance, running stability, crumbling) indicators 11-23%. Inter-repair operation on 1 disc - not less than 30 ha.
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