PLOUGHSHARE FOR SUBSOIL BROADCAST SEEDING OF CROPS Russian patent published in 2011 - IPC A01C7/20 

FIELD: agriculture.

SUBSTANCE: ploughshare comprises blade of closed type and seed tube, fixed on stand, and also seed reflector and seed distributor. Besides, ploughshare is equipped with soil smoothening device with pad, fixed in under-blade area. Soil smoothening device is arranged in the form of horizontal wedge-shaped plate with cut front part, which is bent upwards, to which pad of rectangular form is rigidly fixed. Smoothening device and pad have two through holes for bolt fixation to stand with blade. Seed reflector is arranged in the form of sector of horizontal surface with two inclined guides. Profiles of right and left sides of reflector correspond with curve of inner side surfaces of blade. Profile of upper side provides for contact coupling with inner surface of blade and stand. Besides, lower side of reflector is rigidly connected to soil smoothening device, and upper one - to pad. Seed distributor is arranged as detachable in the form of socket, bent at the angle from 42° to 46° with even areas of cross sections of holes: round input one and oval output one.

EFFECT: invention will make it possible to improve quality of seeding bed formation and to increase zone of seeds sowing along width.

3 cl, 9 dwg