The article presents the results of experimental studies to improve the productivity and quality of mulch substrate application in the stem bands of perennial orchards. The authors proposed a model of an effective means of mechanization and substantiated the optimal parameters of its operation when performing this operation. In the article the authors presented the results of experimental studies to determine: the productivity of feed and transverse conveyors, geometric parameters of the latter, the distance of laying mulch in the roll depending on the height of its placement above the soil surface and the speed of rotation of the drive drum component mechanisms. The authors proved that to prevent the undesirable excessive accumulation of substrate in the receiving hopper of the machine, the productivity of the feed conveyor should not exceed 5 m3/min. The article establishes that the required application rate is provided by the selection of the optimal operating speed of the unit and the productivity of the feed conveyor and can be 0.03-0.25 m3/m2, and changing the same parameters allows depending on the needs to change the height of the roll within 0.05–0.15 m.
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