SUBSURFACE PLOW FERTILISER Russian patent published in 2013 - IPC A01B49/06 A01C7/20 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry, in particular to tilling machines. The subsurface plow fertiliser comprises a wedge-shaped rack. At the rear part of the rack the fertiliser funnel is mounted. At the lower part of the rack plowshares are mounted. In front of the rack a vertical circular blade is mounted. The outer surface of plowshares has triangular loosening projections. The extension of the projections behind the plowshare edge is made in the form of teeth. The triangular loosening projections have an internal cavity. The internal cavity is connected by the window in the plowshare with under-plowshare space. The outer edge of triangular loosening projections is shifted to the rack at an angle "δ" relative the direction of motion of subsurface plow fertiliser. The under-plowshare space is connected to the fertiliser funnel with the distribution nozzles. On the circular blade the depth limits of treatment (flanges) are provided with the ability of adjustment. For location of the flanges the fixing of the circular blade to the wedge-shaped rack and the frame is made using shaped planks.

EFFECT: constructive implementation enables to reduce the draft of the tool, to increase agricultural crop yield, as well as to prevent the formation of back furrow.

3 dwg