TILLAGE SOWING UNIT Russian patent published in 2017 - IPC A01B49/06 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry. The tillage sowing unit comprises a seed box, an opener with chisel-like hoes and drill tubes. The furrow-formers are attached on both sides to the chisel-like hoes of the openers. The furrow-formers are made in the form of plates arranged at an angle relative to the opener of 90-α, where α is natural angle of slope of the soil, depending on soil type. The furrow-formers are mounted at a height determined by the formula h=a-(3…4 cm), where h is the height of mounting of the furrow-formers on the opener, and a is the depth of seed embedding in accordance with the agrotechnical requirements, minus 3…4 cm is the upper dried layer of soil which is unfavorable for the plants development. The packing roller is made in the form of a number of placed cylindrical wheels with side tapered plates. The cone angle is equal to the angle of the soil natural slope.

EFFECT: invention provides increased yield of grain crops.

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