SOWING MACHINE FOR SURFACE SOWING Russian patent published in 2010 - IPC A01C7/00 A01B49/06 

FIELD: agriculture.

SUBSTANCE: sowing machine can be used for sowing in the arid climate and strong breeze areas. Sowing machine contains frame with supporting drive wheels, working elements for demolition of soil cap and twin-disk ploughshares mounted on the track of disk blades. The teeth are mounted on the disk blades chequer-wise in the plane of rotation of working element. The teeth have a form of edge travelling locus. The nip length of the teeth outside of the disc round is adjusted by the displacement of teeth in the disk openings depending on the thickness of soil cap.

EFFECT: use of the invention allows to increase quality of work and crop yield.

3 cl, 3 dwg