FIELD: agriculture.
SUBSTANCE: device comprises a frame of a hitch and a concave disc. Wave disc rotatable around the axis, precision roller seed driller, furrow-forming wheel and packing wheel are mounted on the frame after the concave disc. Additionally a cutting disc is fixed in the front part of the frame. The frame is fitted with runner-type supports. Diameter of the concave disc is calculated by the formula Dcd=(4.5...5.5)H, diameter of the wave disc - Dwd=(0.8...0.9)Dcd, and diameter of the cutting disc - Dwd=Dcd. Low point of the wave disc is placed at the distance h=(0.3...0.6)H below the low point of the concave disc, where H stands for seed furrow depth.
EFFECT: qualitative tillage, sowing and covering of small sylvula cultures seeds.
2 dwg
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