FIELD: agriculture; machine building.
SUBSTANCE: invention relates to the agricultural machine building. Disclosed is a pneumatic sowing apparatus with a universal dosing system consisting of a seed bunker, a ventilator, an air duct, sowing discs with holes mounted on axes, connecting bush, agitators and driving sprockets, two-level skid-shaped ploughshare, rarefaction chamber. Holes of sowing discs are made threaded for bushings with holes. For tilled crops number of holes on bushings is at least not more than three, ratio of thickness of sowing disk to bushing diameter is 1:3. For fodder crops, number of holes on bushings is at least not more than six, and ratio of thickness of sowing disk to bushing diameter is 1:4.
EFFECT: apparatus provides high efficiency during operation.
1 cl, 10 dwg
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